VPX Tennis Swing Trainer Increases Power, Exit Ball Velocity, Shot Accuracy, & Serve Speed, Improves Forehand, Backhand, Slice, & Compression Racket Torque, For Men, Women, Boys, Girls, & Kids

描述

VPX Tennis Swing Trainer Increases Power, Exit Ball Velocity, Shot Accuracy, & Serve Speed, Improves Forehand, Backhand, Slice, & Compression Racket Torque, For Men, Women, Boys, Girls, & Kids