Finger Trainer Finger Training Muscle Training Musical Instrument Piano Guitar Trumpet Practice Convenient to Carry Portable Black

Ships from Japan A finger trainer that can be adjusted to suit you. It has anti-slip material where the fingertips and palm touch. The width can be adjusted and you can train your ring finger and little finger. You can improve the muscle strength of your fingertips and maintain your grip strength. color black - A finger trainer that can be adjusted to suit you. - Anti-slip material is attached to the areas where the fingertips and palm touch. - The width can be adjusted, allowing you to train your ring finger and little finger. ・You can improve the muscle strength of your fingertips and maintain grip strength. [Product specifications] Color black