Pro V1 loyalist and Irish Open 2012 winner Jamie Donaldson waits to tee off

Titleist ambassadors Kyle Stanley and Zach Johnson get to grips with the course

Pro V1x loyalist and world #3 Lee Westwood strides purposefully down the fairway during a practice round

Titleist ambassador and world #2 Rory McIlroy stays on top of his Tweets on board the Titleist Tour Truck!

And then Titleist ambassador Stricker checks out some yardages with the 913 driver firmly in the bag

Steve Stricker sorts out his best options for a prototype Titleist 913 driver after cracking the face of his Titleist 909D3 in practice

Titleist staffer Rafa Cabrera-Bello rips some drives with his prototype Titleist 913 driver

Fellow Titleist ambassador Geoff Ogilvy played a practice round with his compatriot Adam Scott earlier this week

Adam makes sure he's able to cope if he goes into any of those 205 bunkers

And here's Adam's commemorative Scotty Cameron Open Championship 2012 headcover