VIDEO: Callaway explains the science behind Phil Mickelson's new driver

VIDEO: Callaway explains the science behind Phil Mickelson’s new driver

When Phil Mickelson won the Waste Management Phoenix Open, he gave a lot of credit to his new RAZR Fit Xtreme driver. In this video, Dr. Alan Hocknell, Callaway's senior vice president of research and development, reveals how Callaway built a driver to help Mickelson take the left side out of play and lower his spin rate, while also offering some forgiveness.

WINNER'S BAG: Phil Mickelson's clubs at the Phoenix Open


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