Size free Materials: nylon, rubber, hook and loop fastener Country of origin: MADE IN JAPAN

Features Spin practice goods "Spin Form" Just put it on your arm! Spins easily! Don't go out! Learn the form to hit spin! Spin practice goods “Spin Form” Just put it on your arm! Spins easily! Don't go out! Learn the form to hit spin! ---------- ★Determine the spin! Everything is decided! ★ Are you worried about the lack of spin? The more you practice on your own, the more you will end up in a vicious cycle where you will not be able to hit stable strokes and you will overuse your wrist and injure yourself. The main reason for the lack of spin is the way his racket head hits the ball from above. By wearing ``Spin Form'', you will be able to be aware of the optimal wrist angle for hitting spin, and you will naturally learn the trick of wiper-style follow-through. -------- This is a practice item that connects the elbow and racket with a tube and fixes the wrist at an angle suitable for hitting spin. The elasticity of the tube prevents it from being too fixed, allowing you to be aware of the angle of your wrist. ■How to use: 1. Wear it so that your wrist is at a 90 degree angle. 2. Keep your wrist at an angle and swing the ball up from below. 3. Follow through by drawing an arc like the movement of a windshield wiper. *Start by hitting the ball lightly in a mini rally in front of the net, then move on to hitting the ball. *The goal is to be able to apply topspin correctly when you remove the "spin form". ■Precautions for use: - Do not use this product for purposes other than tennis.・If you have dermatitis or allergies, please refrain from using it.・Please check that the fixing rubber and elbow band are free from deterioration before installation.・Make sure to follow the instructions and make sure it is installed correctly. - Start by hitting the ball lightly in a mini rally in front of the net, then move on to hitting the ball. *Please refrain from doing long rallies or hard hits before your form is corrected, as this may cause malfunction.・Please refrain from using the product if it is malfunctioning. (Especially on wrists, elbows, shoulders, etc.) -Please refrain from using this product on children alone.・Do not let go of the stretched rubber. ■Storage Precautions: - Store out of reach of children.・Do not place it in high temperature places such as inside a car or near a stove. ■Washing precautions: - Hand wash in lukewarm water below 30 degrees, using a neutral detergent. - Avoid direct sunlight and dry flat in a shaded area with good ventilation.・Do not use the dryer, iron, or dry cleaning as this will reduce its elasticity. ■Contents: Fixed rubber x 1, elbow band x 1, eggplant (clasp) x 1, stopper x 2, installation method (instruction manual)


Product size: ‎19.5 x 10 x 4 cm; 120 g