TaylorMade's newest driver, the Qi4D, is both lower launching and lower spinning than its Qi10 and Qi35 predecessors, but that only tells part of the story. JWall and Uncle Gene go in depth on what that actually means for ball flight and how adjusting the loft sleeve can make a big difference. But first, a surprise PGA Championship winner claims a major with some old equipment, TaylorMade moves to a two-year driver cycle and Bridgestone releases a black golf ball.

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