Tennis Racket Weight, Correct Motion 100g Black Tennis Racket Swing Practice Weight for Playground

Exercise Arm Strength and Swing: The weight trainer warms up before practice or competition, which is used to warm up and exercise arm strength and swing., Good Functions: Increase the weight of the racket, change the of the racket in seconds, correct the motion, and increase the hitting force and stability., Accelerate Formation of Muscle Memory: Tennis racquet weight adding device can accelerate the formation of muscle memory during swing, and make your muscles stronger., Steel Material: Tennis racket swing weight is made of metal steel material, and easy to use, can be screwed on the tennis racket both sides. Increased weight is 100g., Fast Swing Speed: When you finish your workout and remove the tennis racket swing weight practice training aid, you'll get faster swing speed and stability.