A closer look at the prototype 913D2 toe.

The faces of both the new 913D2 (seen here) and the 913D3 prototypes features some unique changes to the graphics.

A view of the prototype 913D2 in the play position.

A close look at the sole of the prototype 913D2.

Bobby is not one to hold back, especially when he's ask to validate a new club's performance.  

Bobby was eager to put the new prototype to the test. Here's a good look of the 913D3 at address.

Titleist Tour Rep Chris Tuten gives Titleist Brand Ambassador Bobby Gates more details about the new 913 driver.

Monday marked the official start to the tour seeding and performance validation for Titleist's new prototype 913D2 and 913D3 drivers.

Where there are new prototype drivers, there are also new prototype driver headcovers.