Odyssey Prototype Putter

“McIlroy will play the Callaway Golf Great Big Bertha Epic Sub Zero driver, the Callaway Golf Apex Forged MB irons and a prototype Odyssey putter when he starts the year at the European Tour's BMW SA (South African) Open in January, according to a No Laying Up report.”

“On the Shadow Creek greens Mickelson used a new Odyssey Prototype putter and shaft that are designed to help improve the consistency of the putting stroke.”

“Putter: Odyssey Prototype”