ITEM NAME:Flanger Guitar Finger Training Device Piano Practice Guzheng Grip Instrumen #gib Store Home Promotion Hot Item Add to Fav.It can practice the hand multiple parts, such as the palm, fingers, wrist, etc. It can safely practice the finger endurance, tension, flexibility, coordination. 1 X Guitar Finger Training Device. The design of curve, practice is very comfortable and avoid fatigue and pain.
