The session begins.

Defending champ Jonathan Byrd works through a pile of Pro V1x golf balls.

Scott won the Greenbrier Classic last year in his rookie season on the PGA Tour.

Pro V1 loyalist Scott Piercy plays up his first tee-jitters for the camera.

Titleist Brand Ambassador Bryce Molder is happy in Hawaii.

Titleist Brand Ambassador Kevin Na lets one rip with his Titleist 910F 17º (Diamana Blue 73).

Titleist Brand Ambassador Brendan Steele gets to work with his MB (712 Series) irons.

K.J. Choi blasts a Pro V1 out of the practice bunker.

Scott Stallings practice his mid-range stroke.

Master Craftsman Bob Vokey sends an update to his fans on Twitter (@VokeyWedges).