Want to exercise your fingers and grip strength? Available in black and gray, with two levels of strength. Pass your wrist through the belt and set it to one of three levels of resistance. 　　　↓ Then, put them on each finger in turn (around the first knuckle is recommended). ※ You can stretch either the palm side or the back of your hand. 　　　↓ Let's get started! You can stretch by opening and closing your hand. Colors: Black (strong) / Gray (slightly weaker) Material: Silicone (the belt uses Velcro, so it's freely adjustable) Weight: Approximately 26g #exercise #stretch #fingers #grip strength #240315