HXXXY Guitar finger exerciser left hand teaching device training device guitar

Description

HXXXY Guitar Finger Trainer Left Hand Teaching Device Practicing Device Guitar Auxiliary Artifact Instrument Universal Trainer
Strong pulling force to open fingers
Training finger strength
Powerful effect, pull one finger into resin fiber + relative rod is strong
Easily, meet various hand types without screws, and the span distance can be adjusted at any time
Soft silicone ring pad
The contact finger sponge is soft, the fingers are evenly stressed, it will not hurt the hands for a long time, and improve the efficiency
Angle can be rotated 45 degrees
Automatically adapt to the angle direction of each finger, it is more comfortable without hurting the hand, and the second practice is more convenient
Expansion refers to the actual state, not allowed when playing the piano
It is compact and can be carried on various occasions to practice, thereby improving the wisdom span and grasping
The imprint is clear, the route does not fade, you can practice in the direction
Amplify to Qi to help improve basic skills and improve playing