Perfect reproduction of guitar string position, true restoration of key angle
Silicone button, built-in strong spring, index finger big horizontal press practice function.
Small and portable, with detachable movable buttons, it can solve the problem of finger stretching.
With the function of string winder, it is convenient for your daily string maintenance.
Color: black
Material: ABS+silicone
Package Contents:
1 x Guitar Finger Exerciser
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