Equipment
Spotted: Callaway Mack Daddy 4 prototype wedges, X Forged driving iron
Tinker season has returned!
With the 2016-2017 PGA Tour season ending at the Tour Championship on Sunday, it’s technically the offseason despite some of the best players in the world competing in the 2017 Presidents Cup at Liberty National Golf Club. Although it’s an important and patriotic competition, it still marks the start of new equipment releases, and PGA Tour players trying out new equipment.
On the range at Liberty National, we spotted new Callaway Mack Daddy 4 wedges — the company says they are in the prototype phase — and a new Callaway X Forged prototype driving iron in the bag of Phil Mickelson.
Callaway Mack Daddy 4 prototype wedges

The Mack Daddy 4 wedges look similar to the company’s previous MD3 Milled wedges, which also had four weight ports in the rear cavities that were said to reposition center of gravity (CG) higher in the wedges for a lower launch and higher spin. The overall look of the wedges, however, bear more of a resemblance to its Mack Daddy 2 wedges. The photos also show that “milled” is stamped on the hosel of the Mack Daddy 4 wedges.
Maybe the Mack Daddy 4 is a best-of-both-worlds design that draws from the constructions of both the Mack Daddy 2 and 3 wedges. We’ll have to wait and see, for now.
“This is a Callaway prototype wedge that we are currently testing with our professional staffers,” a Callaway representative told us. “It is a prototype as of now.”
Callaway X Forged Driving Iron

In Phil Mickelson’s bag, a well-known club tinkerer, we spotted a Callaway Epic Pro iron, X Forged 2017 irons, Callaway Apex MB irons, and a never-before-seen X Forged 18-degree driving iron. Unlike Callaway’s previous Apex UT driving iron that had a weight port in its sole, the X Forged driving iron we spotted in Phil’s bag has a clean sole. It does, however, sport an expectedly wider sole than the new X Forged 2017 irons that were recently unveiled in Japan.
“These are Callaway prototype irons that we are testing with our professional staffers,” a Callaway representative told us. “They are prototypes as of now.”
Discussion: See what GolfWRX members are saying about the Mack Daddy 4 prototype wedges
Equipment
Tour Edge unveils all-new Exotics mini driver
Tour Edge Golf has today introduced the all-new Exotics mini driver, engineered to deliver a powerful combination of speed, control, and versatility in the long game.
The Exotics Mini combines a titanium face with a stainless-steel body in design to balance ball speed with stability and control, creating a versatile option at the top end of the bag.

At the core of the design is Tour Edge’s proprietary Combo Brazing technology, a high-precision thermal bonding process that seamlessly fuses a titanium cup face to a stainless-steel body into a single, continuous structure. By eliminating energy loss found in traditional multi-piece constructions, Combo Brazing is designed to deliver faster face response, more efficient energy transfer, and a uniquely powerful yet controlled feel.

The multi-material construction also allows mass to be positioned lower and deeper in the head in a bid to increase stability, while the thin titanium face is engineered to maintain ball speed across a wider impact area.

“While the initial goal was to enhance control and versatility in the long game, Combo Brazing ultimately drove measurable gains in ball speed and distance within the mini driver category. In robot testing, we’ve documented higher ball speeds, higher launch, reduced spin, and increased carry and total distance compared to leading models.” – Vice President of R&D Matt Neeley

In addition to distance performance, the Exotics mini emphasizes forgiveness through a heavier stainless-steel body that shifts mass toward the perimeter. This configuration increases MOI relative to traditional all-titanium mini drivers, helping preserve ball speed and directional stability on off-center strikes. Paired with Pyramid Face Technology from the Exotics metalwood line, the design is intended to support consistent speed across the face.

To further enhance MOI, a lightweight carbon fiber crown frees additional mass that is strategically repositioned low and deep in the head in design to improve stability and promote optimal launch with controlled spin.

“We designed the Mini to be about five millimeters shallower than other mini drivers on the market. That change improves playability off the deck. From a clean fairway lie, it can function as a strong 3-wood alternative while still providing control off the tee.” – Tour Edge CEO David Glod
An adjustable hosel system allows for loft and lie tuning to dial in trajectory and shot shape, while a fixed 13-gram rear weight helps stabilize the head through impact to improve dispersion consistency. The Exotics Mini Driver is available in 11.5 and 13.5-degree lofts in right-handed models.

Pricing & Availability
The Exotics Mini Driver is available for pre-order beginning today for $399.99 USD at touredge.com, and will be available for purchase at retail outlets worldwide on May 22, 2026.
Equipment
Srixon ZXi combo or TaylorMade P7CB/770 combo? – GolfWRXers discuss
In our forums, our members have been pitting a Srixon ZXi combo against a TaylorMade P7CB/770 combo. WRXer ‘edutch22’ is on the hunt for a new set of irons and kicks off the thread saying:
“Looking at picking up a new set of irons and think I’ve narrowed it down to Srixon ZXi combo or Taylormade P7CB/770 combo. I am currently a 5 cap and allbeit I feel irons are my weakness. My miss is a little to the toe side. I am decently steep at 4-5 down. Always thought I am high spin but recently on trackman my 7 was spinning at 5800 roughly.
My question or looking for thoughts on which one would benefit me more from a forgiveness standpoint? Or is there another iron is should be looking at entirely? I only get to play about once or twice a week, if I am not playing a 2-3 day event. Thanks in advance.”
And our members have been sharing their thoughts and suggestions in response.
Here are a few posts from the thread, but make sure to check out the entire discussion and have your say at the link below.
- manima1: “You just can’t go wrong with Srixon ZXi7.”
- MattM97: “You have to hit them to know, the V-Sole on the Srixon can be make or break for many.”
- dmeeksDC: “P7CB is more forgiving for me than ZXi7 because my main miss is low middle and the P7CB still flies and spins great on that miss. These are both really nice irons but I like the P7CB more than the Zxi7 and the P770 (or P790) more than the Zxi5. The Srixons are larger so if that gives you confidence that is the way to go. I don’t feel like I get any benefit from the V-sole and the P7CBs live up to their high Maltby forgiveness rating so the TaylorMades have been great for me.”
Entire Thread: “Srixon ZXi combo or TaylorMade P7CB/770 combo? – GolfWRXers discuss”
Equipment
From the GolfWRX Classifieds: 2024 Wilson Staff CB/Blade combo
At GolfWRX, we are a community of like-minded individuals who all experience and express our enjoyment of the game in many ways.
It’s that sense of community that drives day-to-day interactions in the forums on topics that range from best driver to what marker you use to mark your ball. It even allows us to share another thing we all love – buying and selling equipment.
Currently, in our GolfWRX buy/sell/trade (BST) forum, @pianoman0123 has a 2024 Wilson Staff CB/Blade combo up for grabs.

From the listing: “2024 Wilson Staff CB/Blade Combo. 4-8 irons are CB’s and the 9,PW are Blades. 5-PW have Project X 6.0 Shafts and the 4 Iron has a Steelfiber CW110 Stiff Shaft. Standard Length, Lie and Lofts. These are in very good condition the shafts just don’t work for me. Like new Lamkin Grips on the 5-PW and a stock Golf Pride on the 4 Iron. $525 OBO.”
To check out the full listing in our BST forum, head through the link. If you are curious about the rules to participate in the BST Forum, you can learn more here: GolfWRX BST Rules
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gunmetal
Oct 1, 2017 at 9:14 pm
It wouldn’t be Fall if Callaway weren’t debuting their new and improved wedges from a few months back. My oh my, how do Titleist, Ping, Mizuno, Cleveland and dare I say Taylormade compete in the wedge segment? They only release new wedges every 18-24 months.
Overengineering? To a T.
FWIW, I do like that they’re not even bothering with rebadging.
Mad-Mex
Sep 27, 2017 at 10:25 pm
Read this “article” three times and have not figured out what makes these BETTER than Mack Daddy 2 wedges? It says it ” reposition center of gravity (CG) higher in the wedges for a lower launch and higher spin” How much lower and how much spin?
Gearhead
Sep 27, 2017 at 11:22 am
Mmmmmm I love my gear
Golf Engineer
Sep 26, 2017 at 5:34 pm
From Wikipedia:
“Overengineering (or over-engineering) is the designing of a product to be more robust or complicated than is necessary for its application, either (charitably) to ensure sufficient factor of safety, sufficient functionality, or because of design errors. Overengineering can be desirable when safety or performance on a particular criterion is critical, or when extremely broad functionality is required, but it is generally criticized from the point of view of value engineering as wasteful. As a design philosophy, such overcomplexity is the opposite of the less is more school of thought (and hence a violation of the KISS principle and parsimony).
Overengineering generally occurs in high-end products or specialized market criteria, and takes various forms. In one form, products are overbuilt, and have performance far in excess of needs (a family sedan that can drive at 300 km/h, or a home video cassette recorder with a projected lifespan of 100 years), and hence are more expensive, bulkier, and heavier than necessary. Alternatively, they may be overcomplicated – the design may be far more complicated than is necessary for its use, such as a modern text editor asking whether files should be saved in ASCII, EBCDIC or various multi-byte formats. Overcomplexity reduces usability of the product by the end user, and can decrease productivity of the design team due to the need to build and maintain all the features.
A related issue is market segmentation – making different products for different market segments. In this context, a particular product may be more or less suited for a particular market segment, and may be over- or under- engineered relative to an application.
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The golf club industry and over-engineering…. so true.
Boss
Sep 27, 2017 at 2:53 am
From Wikipedia:
IDIOT
An idiot, dolt, dullard or (archaically) mome is a person perceived to be lacking intelligence, or someone who acts in a self-defeating or significantly counterproductive way. Along with the similar terms moron, imbecile, and cretin, the word archaically referred to the intellectually disabled, but have all since gained specialized meanings in modern times. An idiot is said to be idiotic, and to suffer from idiocy.
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You are the definition. So true//