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.

What's inside? Titleist Brand Ambassador Gary Woodland's new Prototype MB irons.

A little further down the range, Titleist Brand Ambassador Ryuji Imada tests his new Prototype CB irons.

Ryuji's previous set of MB irons takes a breather.

Titleist Brand Ambassador Marc Leishman cleans the grooves in his new Prototype MB 9-iron.

Marc plays a mixed set of Titleist AP2 and MB irons.

The moment just after impact...

Here's a closer look.