This is a highly engineered, lightweight teaching aid designed to accelerate the process of pure ball striking and works for every club in the bag. Precision Impact literally forces the ideal club head position at impact. It will also accelerate the learning process for the entire swing, helping with: Proper wrist set (audible feedback) Correct backswing rotation Proper top of swing position Club head lag / Shaft Lean (Critical) Aggressive rotation through impact High, balanced finish Precision Impact by Pure Swing Products(TM) works for every swing - including puttinga |..Whether hitting driver, pitching, or chipping the club head has to lag behind the hands - creating crisp, flawless contact with the ball. Precision Impact forces that same perfect hand position for every type of shot.