Beschreibung

• Name: Golf Crank Arm Alerter Material: composite woven material Size: 32*18CM Weight: 38g Packing: ziplock bag describe: When many golf rookies swing, they often type a bend of their left arm during the upswing, which often results in failure to hit the ball or unsatisfactory hitting impact The appropriate upswing posture is that the left arm must remain instantly and never bend Using this crank arm alerter, as lengthy as the left arm of the golfer is bent throughout the upswing, the alerter will make a immediate sound The player can straight know the error and make corrections in time, in order that the left arm could be corrected Maintain a steady and proper posture

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