IMHO I think it would be based on the player and the shot. I would respond better to length of swing while other players I know key on the speed. Higher speeds with the body will increase the spin on the ball…good for some situations but not all. Long back swing and slower rotation will soften the shot but could cause some deceleration if not careful. This is one of the many great things about golf, different ways to achieve a similar result.
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To dial in distance on wedge shots, should players focus more on swing length or swing speed?
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