Guitar Practice Trainer Tool Plastic Finger Expansion Finger Sleeve

This diffuser helps you quickly open your fingers and increase span, stretch ligaments, strengthen power, and make your fingers more flexible. Adhering to training can improve basic skills. Curved handle design, more ergonomic. The product has edging treatment. It addresses soft fingers, weakness, hand collapse, and insufficient finger span. You can practice four fingers or two fingers. Small size. Made of plastic, has toughness, is not easy to be damaged or broken. The products are compatible with the music field, and can also be used as a practice tool compatible with many sports, such as rock climbing, tug-of-war, archery, tennis, arithmetic and so on.Specification:Name: Musical instrument universal spreaderSize: Refer to size chartApplicable: Finger exercises compatible with all kinds of instrumentsUses: Help music lovers solve the problem that the fingers can't open, exercise the span to increase the flexibility of the fingers, and can be carried around for practice.Colour: GreenSize: 21mmPackage Contents:1 * finger tension exerciser