Let's take a look inside Joe's Titleist bag...

Joe is gaming the new Titleist 910D2 7.5 driver with the SureFit Tour (SFT) hosel in the D•1 position (-.75 less loft, standard lie), a 909F2 15.5 fairway metal and new 910H 21.0 hybrid with the SFT hosel in the B•1 position (standard loft, -.75 flat…

Joe also carries Titleist AP2 irons with True Temper Dynamic Gold shafts...

And four Titleist Vokey Design wedges: 48-06 (bent to 46), 52-08 (bent to 51), 56-10 and 60T (bent to 61).

Here's a close-up of Joe's Scotty Cameron Newport Squareback Select prototype putter.

Titleist Brand Ambassador Zach Johnson signs some autographs for his Hawaiian fans.

Pro V1 loyalist Charlie Wi hits out of a bunker during Monday's practice round.

Titleist Brand Ambassador Matt McQuillan is one of several players making their PGA Tour debuts this week. McQuillan earned his card with a T-16 finish at Q-School in December.

Titleist Brand Ambassador Brendan Steele secured his 2011 PGA Tour card by winning the Nationwide Tour Championship, pushing him to No. 6 on the final 2010 Nationwide Tour money list.

Titleist Brand Ambassador D.J. Trahan puts some work in on the Waialae driving range. Trahan finished 2010 strong, making nine of his last 10 cuts.