| 摘要 |
PURPOSE: An exercise and a whistle impact kit thereof are provided to prevent breakaway and breakage while striking a golf ball. CONSTITUTION: A whistle impact kit is easily attached to a club shaft and is fixed to the club shaft. A sound hole generates swing sound in order to enable a golfer to feel a swing motion while striking a golf ball. An impact kit material is a flexible material or a plastic material in order to be not damaged in a striking process. A fixing plate holds a club shaft not to be easily separated. |
