Violin Viola Bow Grip Corrector 1 piece Compatible with various bow sizes such as 1/8, 1/4, 1/2, 3/4, and 4/4. Suitable for children and adults. (The position can be adjusted to fit the size of your hand) Corrects habits such as the pinky finger lifting or the whole hand rising when holding the bow, and supports the correct bow grip. Choose from blue, pink, or orange. *Imported from overseas.