Rebound Tennis Ball Trainer, Self-Study Trainer first Do not use when it

Do not use when it is windy

and prevents any backfire or kickbacks

and iron your clothes

3 AA batteries (not included)

and other toxic materials

Rebound Tennis Ball Trainer, Self-Study Trainer first Do not use when itYou'll Be Winning with the Rebound Ball Tennis Training Tool? ? Practice Without a Partner? With the rebound ball tennis training tool, you can practice your tennis strokes without a partner. The tethered ball automatically comes back to you after you hit it, so you'll never miss a moment to practice even if youre alone. ? No More Shagging Balls? Forget about losing balls over the fence or picking up tons of balls from the court. With the rebound ball