At address. Ready for takeaway.

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

Inside the locker of Titleist Brand Ambassador Rickie Fowler. It's almost go time.

Here's another shot of the prototype SM4 wedges. This is the tour-only Raw finish.

Master Craftsmen Bob Vokey hits the range with a special delivery. Titleist Brand Ambassador Robert Karlsson gets some new tools and a first-hand account from The Voke.

Grooved perfection.

Unwrapping the next chapter in Vokey Design wedge technology.

The grinder. These wheels will see some work this week as the Vokey Team dials-in prototype wedges for some of the best players in the world.

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

Let's zoom in on the sole.