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Opinion & Analysis

Korean Gadget Report, Pt. 4: Power3 – Is this the best swing trainer ever?

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If you are at all into golf, I bet my putter that you have been tempted to try or buy golf training aids that promised you the moon. Whether it’s longer drives or getting out of bunkers, there are tons of golf training devices to help you achieve your goal. Many of you are probably shaking your head about the last golf doodad that popped into your head. I have also tried my fair share of these gadgets over the years to varying degrees of success. There have been some really good ones, to be sure, but more than not, what seemed really good in theory just didn’t click with me.

Evolution of Swing Training Devices

All things have a beginning. And for most beginners, it usually starts with the basic golf swing. Most of you are probably familiar with the training club sporting a molded grip to ingrain a proper golf grip. It usually was a shorter club with a weighted tip that made a clicking noise if the desired head speed was reached. The goal was to have the user get a feel for where the club head was supposed to make an impact with the golf ball. My own journey began with a bat-like club studded with four big plastic fans to give it wind resistance. Since then, dozens more would follow, and in more recent years, I have dabbled with the Orange Whip and Superspeed golf, both aimed at improving my swing tempo and speed, respectively.

To all the swing trainers I’ve loved before…

When I was first introduced to the Power3 swing trainer a couple of years ago, I wasn’t too keen on it.

After all, it was the same ol’ plug, albeit this one offered to increase distance AND improve swing tempo at the same time. Initially named after its inventor, the original device was named Kim Deok-kyoo Timing. The nomenclature also threw me off, but if you look past the grammar, the name was to reflect the gadget’s ability to teach an effective swing tempo (translated as ‘timing’) to result in better impact and longer distance.

The first differentiator of Power3 from other conventional swing trainers was that I could use it on my own golf clubs. Looking back, I can’t recall ever using a swing trainer that allowed me to do this. The familiarity of swinging my driver and irons made the Power3 easier to take to, and the added benefit was that it saved me from looking goofy like Kevin Costner with the swing yips in Tin Cup. The device clipped on easily to the shaft near the club head and at 28 grams, the weight didn’t affect my swing at
all.

Power3 trainer is a small, sleek device that clips onto your own clubs

The premise behind the Power3 device is simple – just make the LED panel on the device light up at the point of impact. For drivers, this would be near the left foot, while the irons and wedges would be in the middle and near the right foot, respectively. The device also makes an audible click sound if the LED lights up for both visual and audial feedback. That’s nice. But isn’t it just a different iteration from many swing trainers out there? Yes and no. Again, using your own clubs is a big plus, but there is another big surprise I will discuss further on down.

Power3 Speed Trainer

Entering its 18th year in existence, the device is now named Power3 Speed trainer and comes in two models for men (blue) and women (red). Each device comes with a battery and two shaft clips for woods and irons and is pre-set to three-speed settings (hence the name). When the club head reaches the speed corresponding to a target distance, it lights up with a click. If not, the device remains dark and silent.

The best feature of Power3, in my opinion, is that it is highly intuitive. Without having to explain in so many words, I’ve had first-time golfers first try to light up the device by swinging it. Soon, they naturally realized that to make the LED light up, they needed to swing a certain way to get the momentum to gather at the club head. This alone was super helpful, as many golf instructors here have agreed over the years.

My advice to beginners on this subject had been to imagine throwing a cup of water to splash on the ground past my left foot on the downswing and not before. Needless to say, these images are quite hard to fathom for those who never swung a club. But with Power3, the golfer intuitively began toadapt to the needed swing to light up the LED. Once they were successful in getting the light and sound, it was a matter of time before getting that light to shine near the intended impact point. Voila.

Power3 trainer is a small, sleek device that clips onto your own clubs

Another aspect of Power3 that impressed me was the setting for the shorter wedge shots. In my opinion, full swings are easy compared to the delicate pitch shots that require a shorter swing AND to accelerate through impact. In the past, try as I might, it was super hard to convey this concept to a newbie who either duffed a pitch shot or skulled it across the green. Not so with the Power3. At setting 1, the device teaches the user to accelerate through the impact even with a shorter swing. Instead of trying to put into words that elusive feeling, I just let them do their thing with the device and use their intuition. What. a. time. saver.

Despite the obvious benefits of Power3, however, I initially had mixed feelings. For one, I probably didn’t want to admit that a golfer of 30-plus years needed such a gadget. Plus, I hate practicing, so I wasn’t too excited about the inventor saying 100 practice swings a day would increase my distance by 20-30 meters. So back in 2020, I recall blandly saying to Kim that it would be so much better if I could hit actual balls with it, instead of practice swings. And this is my small contribution to the evolution of the Power3 IMPACT trainer, a device that I think can disrupt the swing trainer industry.

Power3 Impact Trainer

If the original Power3 can help you through effective practice swings with your own clubs, the new Power3 Impact device will now let you HIT the golf balls with your club while bringing all the wonderful intuitive aspects mentioned above.

Impact trainer clips onto the grip and shaft, just below the hands

The only visible difference between the two Power3 devices is that the ‘impact’ model clips to the club at the base of the grip below the hands. The specialized clip bites onto the rubber grip to hold it firmly in place and emits a light and a click at the pre-set optimum club speed settings. It is highly portable and allows you to use it at the practice range or on the actual course (night golf with this gadget is super cool!).The video below is self-explanatory. If the device lights up at the correct place (near the left foot for drivers), it means the impact has taken place correctly at the right speed. If the LED lights up elsewhere or not at all, it indicates that the swing was not optimal and one can check easily to make the needed corrections. And through repeated practice or play, a powerful and repeatable swing can be ingrained, according to Kim.

The two Power3 models, Distance and Impact, are the result of over 15 years of research and testing, says Kim. Now at age 62, he took up the game relatively late in 2004. He became hooked immediately and began to obsess about how to get better quickly. Later that year, using his background in engineering, he devised a simple working model of the original device using some magnets, metal ball bearings, a battery, and an umbrella stem. What started as an idea to visualize the low point of his swing became his lifelong passion. In 2022, he refined his invention to release his fourth and latest versions. According to Kim, the days when golfers use clubs other than their own to practice are over.

So far, the Power3 swing trainers have been a resounding success in Korea. But surprisingly, the Power3 swing trainer is just the tip of the iceberg. Kim is currently working on a 5th-generation device that will connect to your mobile device via Bluetooth. In addition, the next model will not be limited to the current 3-speed settings but allow the golfer to choose their own speeds at which the LED will light up. In other words, it means I can set my swing speed goals slightly higher than my current one and strive toward reaching that speed. Think Superspeed golf, except with visual and digital aspects that can track your swing speed trends and show you how you can improve through its proprietary app. I think it is going to be the next big deal in swing training aids, and I’m not alone.

Kim’s idea and patented technology of increasing swing speed has already been turning heads.

Various brands in other sports that require swinging a bat, racquet, or stick have expressed interest in knowing how the technology can be modified to improve performance in their respective sports.

For example, a modified version of the Power3 device is being tested in baseball, where it can help players swing the bat faster. The same principle can apply to a tennis racquet for power serves, a hockey stick for powerful slap shots, and whatever other sports that can benefit from speed training.

Right now, however, Kim’s focus is on helping golfers of all swing speeds reach the next level. He is an accomplished 4-handicap golfer and averages 260 yards with a driver, which is quite impressive for his age here. But the true testament to his invention comes from his wife, who only took up the game a little over a year ago. I had the pleasure of playing a round with the Kims recently, and her 190-yard tee shots from the reds were continually ahead of me in the fairway. I was impressed (embarrassed at the same time), and had to admit that her nightly routine of swinging 50 times must’ve indeed paid off. She said she hated it at first but was quick to get the feel for the rhythm to light up the device at the correct place – all without additional explanations and pointers from her husband.

In particular, the device has proven to be highly effective for teaching professionals here, who say it gets the students to feel the correct swing tempo and the feeling of proper weight shift right away.

Once they figure out how to light up the device, they intuitively figure out how to wait on the downswing to concentrate the bulk of their power at the point of impact. Imagine the amount of explaining an instructor can save if beginners can realize this alien concept for themselves!

Whether its swing speed or impact power, these two models have you covered for men & women

So if you’re tired of swinging a training aid that’s not your own club, take a close look at the two Power3 models. Both are now available on Amazon. Remember that the Distance trainer is for practice swings only, and the Impact trainer allows you to hit actual balls. I recommend the former for beginners and the latter for non-beginners.

What do you think? Is it a winner? I’d love to hear from all the WRXers here on what you think, and if there are other similar devices out there.

James is a golf gear-nut living and writing about all things golf in Korea. A fan of Tiger, Fred, and Seve, he is forever seeking the holy grail of golf clubs that will lower his score. He graduated from the University of British Columbia in Vancouver, BC, Canada and has been in Korea to witness the explosive growth of golf since 1996. Despite playing golf for over 30 years and being a perpetual 10-handicapper, James steadfastly claims to be the embodiment of the Average Joe Korean golfer. He can be reached at jimmyinseoul@gmail.com, and often introduces cool new Asia-based golf gear on YouTube and Instagram.

12 Comments

12 Comments

  1. LED Police

    Oct 16, 2022 at 12:05 pm

    Another scam. The secret is in the dirt, not the LED.

  2. Bob Barker

    Oct 16, 2022 at 3:31 am

    Behold, the dumbest article Golfwrx has ever made. ZZzzzzzzzz

  3. boom boom

    Oct 15, 2022 at 9:33 am

    Me so hor nee

  4. George

    Oct 14, 2022 at 1:33 pm

    Hi James,
    Great article.
    Can you use the Impact trainer for practice swings without a ball?
    Thanks!

    • James

      Oct 15, 2022 at 1:44 am

      Yes, the Power3 Distance model is for that very purpose. The Impact model is the only one you can hit balls with, and may not light up of there is no impact with a ball.

  5. Santosh Abraham

    Oct 13, 2022 at 2:07 pm

    I can’t seem to find it on Amazon.

  6. Richard

    Oct 13, 2022 at 9:46 am

    Ok, where do you buy it? i have no problem being all Roy McAvoy with gadgets..

  7. Scott

    Oct 13, 2022 at 7:27 am

    This is really interesting. Any chance you can link to the place to purchase the Power3 devices? I have searched Amazon and other, but am unable to locate it.

    Thanks!

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Opinion & Analysis

The 2 primary challenges golf equipment companies face

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As the editor-in-chief of this website and an observer of the GolfWRX forums and other online golf equipment discourse for over a decade, I’m pretty well attuned to the grunts and grumbles of a significant portion of the golf equipment purchasing spectrum. And before you accuse me of lording above all in some digital ivory tower, I’d like to offer that I worked at golf courses (public and private) for years prior to picking up my pen, so I’m well-versed in the non-degenerate golf equipment consumers out there. I touched (green)grass (retail)!

Complaints about the ills of and related to the OEMs usually follow some version of: Product cycles are too short for real innovation, tour equipment isn’t the same as retail (which is largely not true, by the way), too much is invested in marketing and not enough in R&D, top staffer X hasn’t even put the new driver in play, so it’s obviously not superior to the previous generation, prices are too high, and on and on.

Without digging into the merits of any of these claims, which I believe are mostly red herrings, I’d like to bring into view of our rangefinder what I believe to be the two primary difficulties golf equipment companies face.

One: As Terry Koehler, back when he was the CEO of Ben Hogan, told me at the time of the Ft Worth irons launch, if you can’t regularly hit the golf ball in a coin-sized area in the middle of the face, there’s not a ton that iron technology can do for you. Now, this is less true now with respect to irons than when he said it, and is less and less true by degrees as the clubs get larger (utilities, fairways, hybrids, drivers), but there remains a great deal of golf equipment truth in that statement. Think about it — which is to say, in TL;DR fashion, get lessons from a qualified instructor who will teach you about the fundamentals of repeatable impact and how the golf swing works, not just offer band-aid fixes. If you can’t repeatably deliver the golf club to the golf ball in something resembling the manner it was designed for, how can you expect to be getting the most out of the club — put another way, the maximum value from your investment?

Similarly, game improvement equipment can only improve your game if you game it. In other words, get fit for the clubs you ought to be playing rather than filling the bag with the ones you wish you could hit or used to be able to hit. Of course, don’t do this if you don’t care about performance and just want to hit a forged blade while playing off an 18 handicap. That’s absolutely fine. There were plenty of members in clubs back in the day playing Hogan Apex or Mizuno MP-32 irons who had no business doing so from a ballstriking standpoint, but they enjoyed their look, feel, and complementary qualities to their Gatsby hats and cashmere sweaters. Do what brings you a measure of joy in this maddening game.

Now, the second issue. This is not a plea for non-conforming equipment; rather, it is a statement of fact. USGA/R&A limits on every facet of golf equipment are detrimental to golf equipment manufacturers. Sure, you know this, but do you think about it as it applies to almost every element of equipment? A 500cc driver would be inherently more forgiving than a 460cc, as one with a COR measurement in excess of 0.83. 50-inch shafts. Box grooves. And on and on.

Would fewer regulations be objectively bad for the game? Would this erode its soul? Fortunately, that’s beside the point of this exercise, which is merely to point out the facts. The fact, in this case, is that equipment restrictions and regulations are the slaughterbench of an abundance of innovation in the golf equipment space. Is this for the best? Well, now I’ve asked the question twice and might as well give a partial response, I guess my answer to that would be, “It depends on what type of golf you’re playing and who you’re playing it with.”

For my part, I don’t mind embarrassing myself with vintage blades and persimmons chasing after the quasi-spiritual elevation of a well-struck shot, but that’s just me. Plenty of folks don’t give a damn if their grooves are conforming. Plenty of folks think the folks in Liberty Corner ought to add a prison to the museum for such offences. And those are just a few of the considerations for the amateur game — which doesn’t get inside the gallery ropes of the pro game…

Different strokes in the game of golf, in my humble opinion.

Anyway, I believe equipment company engineers are genuinely trying to build better equipment year over year. The marketing departments are trying to find ways to make this equipment appeal to the broadest segment of the golf market possible. All of this against (1) the backdrop of — at least for now — firm product cycles. And golfers who, with their ~15 average handicap (men), for the most part, are not striping the golf ball like Tiger in his prime and seem to have less and less time year over year to practice and improve. (2) Regulations that massively restrict what they’re able to do…

That’s the landscape as I see it and the real headwinds for golf equipment companies. No doubt, there’s more I haven’t considered, but I think the previous is a better — and better faith — point of departure when formulating any serious commentary on the golf equipment world than some of the more cynical and conspiratorial takes I hear.

Agree? Disagree? Think I’m worthy of an Adam Hadwin-esque security guard tackle? Let me know in the comments.

@golfoncbs The infamous Adam Hadwin tackle ? #golf #fyp #canada #pgatour #adamhadwin ? Ghibli-style nostalgic waltz – MaSssuguMusic

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Podcasts

Fore Love of Golf: Introducing a new club concept

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Episode #16 brings us Cliff McKinney. Cliff is the founder of Old Charlie Golf Club, a new club, and concept, to be built in the Florida panhandle. The model is quite interesting and aims to make great, private golf more affordable. We hope you enjoy the show!

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Opinion & Analysis

On Scottie Scheffler wondering ‘What’s the point of winning?’

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Last week, I came across a reel from BBC Sport on Instagram featuring Scottie Scheffler speaking to the media ahead of The Open at Royal Portrush. In it, he shared that he often wonders what the point is of wanting to win tournaments so badly — especially when he knows, deep down, that it doesn’t lead to a truly fulfilling life.

 

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“Is it great to be able to win tournaments and to accomplish the things I have in the game of golf? Yeah, it brings tears to my eyes just to think about it because I’ve literally worked my entire life to be good at this sport,” Scheffler said. “To have that kind of sense of accomplishment, I think, is a pretty cool feeling. To get to live out your dreams is very special, but at the end of the day, I’m not out here to inspire the next generation of golfers. I’m not out here to inspire someone to be the best player in the world, because what’s the point?”

Ironically — or perhaps perfectly — he went on to win the claret jug.

That question — what’s the point of winning? — cuts straight to the heart of the human journey.

As someone who’s spent over two decades in the trenches of professional golf, and in deep study of the mental, emotional, and spiritual dimensions of the game, I see Scottie’s inner conflict as a sign of soul evolution in motion.

I came to golf late. I wasn’t a junior standout or college All-American. At 27, I left a steady corporate job to see if I could be on the PGA Tour starting as a 14-handicap, average-length hitter. Over the years, my journey has been defined less by trophies and more by the relentless effort to navigate the deeply inequitable and gated system of professional golf — an effort that ultimately turned inward and helped me evolve as both a golfer and a person.

One perspective that helped me make sense of this inner dissonance around competition and our culture’s tendency to overvalue winning is the idea of soul evolution.

The University of Virginia’s Division of Perceptual Studies has done extensive research on reincarnation, and Netflix’s Surviving Death (Episode 6) explores the topic, too. Whether you take it literally or metaphorically, the idea that we’re on a long arc of growth — from beginner to sage elder — offers a profound perspective.

If you accept the premise literally, then terms like “young soul” and “old soul” start to hold meaning. However, even if we set the word “soul” aside, it’s easy to see that different levels of life experience produce different worldviews.

Newer souls — or people in earlier stages of their development — may be curious and kind but still lack discernment or depth. There is a naivety, and they don’t yet question as deeply, tending to see things in black and white, partly because certainty feels safer than confronting the unknown.

As we gain more experience, we begin to experiment. We test limits. We chase extreme external goals — sometimes at the expense of health, relationships, or inner peace — still operating from hunger, ambition, and the fragility of the ego.

It’s a necessary stage, but often a turbulent and unfulfilling one.

David Duval fell off the map after reaching World No. 1. Bubba Watson had his own “Is this it?” moment with his caddie, Ted Scott, after winning the Masters.

In Aaron Rodgers: Enigma, reflecting on his 2011 Super Bowl win, Rodgers said:

“Now I’ve accomplished the only thing that I really, really wanted to do in my life. Now what? I was like, ‘Did I aim at the wrong thing? Did I spend too much time thinking about stuff that ultimately doesn’t give you true happiness?’”

Jim Carrey once said, “I think everybody should get rich and famous and do everything they ever dreamed of so they can see that it’s not the answer.”

Eventually, though, something shifts.

We begin to see in shades of gray. Winning, dominating, accumulating—these pursuits lose their shine. The rewards feel more fleeting. Living in a constant state of fight-or-flight makes us feel alive, yes, but not happy and joyful.

Compassion begins to replace ambition. Love, presence, and gratitude become more fulfilling than status, profits, or trophies. We crave balance over burnout. Collaboration over competition. Meaning over metrics.

Interestingly, if we zoom out, we can apply this same model to nations and cultures. Countries, like people, have a collective “soul stage” made up of the individuals within them.

Take the United States, for example. I’d place it as a mid-level soul: highly competitive and deeply driven, but still learning emotional maturity. Still uncomfortable with nuance. Still believing that more is always better. Despite its global wins, the U.S. currently ranks just 23rd in happiness (as of 2025). You might liken it to a gifted teenager—bold, eager, and ambitious, but angsty and still figuring out how to live well and in balance. As much as a parent wants to protect their child, sometimes the child has to make their own mistakes to truly grow.

So when Scottie Scheffler wonders what the point of winning is, I don’t see someone losing strength.

I see someone evolving.

He’s beginning to look beyond the leaderboard. Beyond metrics of success that carry a lower vibration. And yet, in a poetic twist, Scheffler did go on to win The Open. But that only reinforces the point: even at the pinnacle, the question remains. And if more of us in the golf and sports world — and in U.S. culture at large — started asking similar questions, we might discover that the more meaningful trophy isn’t about accumulating or beating others at all costs.

It’s about awakening and evolving to something more than winning could ever promise.

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