Feature:1. Equipped with double thickened sponge cover, soft and comfortable to use.2. Ergonomic designs, comfortable to handle, not easy to fall off, easy to hold.3. ABS engineering plastic handle, environmentally friendly, tasteless and unfading.4. Spring steel material, training your wrist strength, professional fitness tool.5. Can be used anytime and anywhere you want, suitable for indoor or outdoor use.Specification:Condition: 100% Brand New Item Type: Wrist TrainerMaterial: Spring Steel Color: Black Function: Training Wrist Usage:1. Before exercise, hold the handle in one hand to make the wrist trainer horizontal, with the palms of the other hand up, extend from the arm ring below, so that the back of the wrist is pressed against the wrist sleeve.The pressure sleeve can be lowered according to the size of each hand, press the wrist sleeve in the middle of the back of the wrist when holding the handle.Don't exercise until you hold the handle. 2. Bend the wrist inward to the pole with force, then straighten it out after a short pause.Inhale when bending your wrists and exhale when returning.Repeat the motion several times. Can stop exercise when the wrist feels tired..Package List:1 x Wrist Trainer(Stretch position color random)