Pre-Owned Scotty Cameron - J.A.T Prototype Putter (Above Average)Scotty Cameron J. A. T. Prototype Putter Pre Owned (Excellent Condition) The J. A. T. ("Just A Thought") Prototype is a rare, tour inspired Scotty Cameron putter crafted for testing and limited player use. Featuring a heel shafted blade design, milled carbon steel head (~329 g), and black oxide finish, it delivers a soft, solid feel with precise feedback. The offset hosel promotes a smooth arcing stroke, making it ideal for players with face rotation