1.IMPROVED TRAINING FEEDBACK Improve your badminton game with the badminton racket swing trainer bar, which features a stateoftheart sound feedback mechanism that produces a clear sound when the force is applied. Instantly detect the accuracy of your swing and achieve more effective training sessions. 2. Improved training precision: To meet the different strength exercise requirements, the trainer uses a magnetic nut control for precise suction adjustment of the slider. Change the casting force by controlling the position of the slider, increasing training efficiency. 3. Improved nonslip swing control: the nonslip silicone design of our badminton racket swing trainer bar allows a secure grip when whipping your strength exercises, prevents slipping and allows you to focus on mastering your swing control. 4.Progressive reinforcement: improve your badminton skills with our swing trainer. Weighing in at only 9 ounces, our lightweight design reinforces strength and builds strength while strengthening arms and fingers and allowing gradual improvement of skills.