Check out the new grooves. The prototype SM4 will deliver maximum spin and control.

The Voke takes a closer look as he works on another build.

Let's get in close.

The setup? 48*, 55* and 60* in Tour Chrome. The custom yellow paintfill is looking sharp.

Unwrapping the next chapter in Vokey Design wedge technology.

Vokey Wedge players are in for a nice surprise in their lockers this week. 

Including Titleist Brand Ambassador Webb Simpson who is heading into the playoffs with momentum from his breakthrough victory last weekend.

Titleist Brand Ambassador Bo Van Pelt and Bob Vokey talking short game and prototype SM4 wedges, of course.

At address. Ready for takeaway.

Confirmation. Right on the sweet spot.