FA-10P Extendable and Strength Adjustable Finger Exerciser Ukulele Guitar Bass Piano Violin Finger Trainer

Features:
Soft button cap makes it comfortable to press.
Provides a complete strength training solution for fingers, hands, wrists, and forearms.
Promotes finger strength, flexibility, coordination and speed.
Improve the ability of beginners to fingertips, including the flexibility of the fingers, according to the strength of the string, to reduce errors, according to string sound more accurate.
This is like practicing dumbbells, adhere to the daily training, finger strength slowly to improve, for the instrument playing the skills needed, will naturally be able to control.