Thank you for viewing. The violin bow grip correction device has a universal size that fits both children's and adults' hand sizes. This ensures players have proper control and stability, improving overall performance. It promotes proper hand position and technique while playing the instrument. Made of silicone, it's soft and flexible, allowing players to maintain a natural and comfortable grip. The violin bow grip correction device is designed to bend the thumb, allowing it to comfortably touch the intersection of the stick. Pinky side #violin #violinbowcorrection #violinbowingcorrection #bow #correction