This new Prototype MB iron belongs too... (Note the custom-stamped "C") ... Titleist Brand Ambassador Charley Hoffman.

The Titleist Tour Van has pulled out of Aronimink, but stay tuned tomorrow for more updates.

A new Prototype CB iron gets checked in the loft/lie machine inside the Titleist Tour Van.

Time to check some numbers on the launch monitor.

Another box of new Titleist prototype irons, ready for pickup in the Titleist Tour Van.

Adam Scott's new prototype MB irons get the custom-stamping treatment.

And here's another look at the new prototype Titleist AP1 and AP2 irons.

Here's what they look like in the bag.

Marni Ines of Titleist Golf Club R&D looks on during Gary's first testing session.

Woodland plays Titleist Pro V1 golf balls.