【Recommended by Physical Therapists】 Hand grip set for finger training! Brand new, unused. "tetore" allows you to train with "donut-shaped" gripping movements and "finger-hole shaped" opening movements. Useful for hand and finger rehabilitation, musical instruments like piano and trumpet, bouldering training, preventing cognitive decline in the elderly, and overall hand and finger exercise ◎ General hand grippers can be too strong or bulky, making them difficult to handle. "tetore" allows you to start with a low resistance, making it ideal for rehabilitation muscle training. The donut shape is compact and can be used even with bent fingers. The finger-hole type has separate insertion points for each finger, making it easy to use, and can be used for muscle training of just one finger if needed. 【Perfect for carrying】 The donut shape can change the resistance vertically and horizontally, so you don't need to prepare many and it's compact. Comes with a storage pouch, making it convenient to carry. It's a muscle training tool that can be easily used anytime, such as during breaks from telework or smartphone games. 【Size】 Donut shape: 8cm (length) x 8cm (width) x 2cm (height) Finger-hole shape: 7.5cm (length) x 9.5cm (width) x 0.7cm (height) Grip strength training, hand grip, finger muscle training, exercise, rehabilitation, elderly, preventing cognitive decline, goods Christmas present gift