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.
Good Functions: Increase the weight of the racket, change the gravity of the racket in seconds, correct the motion, and increase the hitting force and stability.
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.
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 weight training aid ia made of metal steel material, durable and easy to use, can be screwed on the tennis racket both sides.