Guitar Finger Exerciser Medium Tension Grip Trainer Music Instrument Piano Bass Violin

It can help you improve the speed of play and sensitivity
It suitable for people of all age
100% brand new and high quality
It can practice the hand multiple parts, such as the palm, fingers, wrist, etc
The strength can be adjusted freely
The design of curve, practice is very comfortable and avoid fatigue and pain
It can safely practice the finger endurance, tension, flexibility, coordination

Package included:
1*Guitar Finger exerciser