The Performance Golf Click Stick is a 3-in-1 swing ... With varying levels of difficulty and swing speed, The Click Stick is ...

They gained an average of three percent clubhead speed after ... engine of the golf swing — moving. Dr. Kwon points to the screen, at a red dot hovering in the middle of my stick figure ...

To determine how layers of clothing affect swing speed and distance, two Golf Digest staffers—Drew Powell (+2.4 Handicap Index) and Sam Weinman (11.2 Handicap Index)—hit a series of shots ...