SOLO Guitar Finger Expander Correct Posture with 10Buttons

Feature: 1. the guitar pressing position: 1:1 the guitar pressing position, as well as the actual pressing force d forehead angle. Universal for grasping instruments such as guitar, bass, ukulele, , etc.
2. Correct the left hand shape: There is a thumb positioning groove on the back to help correct and develop the correct left hand shape.
3. Button material: Silicone button, built-in spring, exercise finger strength.
4. Practice tools: Ten-key design, multiple scales, and grid climbing practice.
5. Special finger force exercise: The hand and forearm muscle force mode is superior to the finger force device, and it is specially designed for finger exercise.

Plug Type: None
Model Number: Guitar Finger Trainer
Material: ABS
Size: 19.95 x 4.5 x 2.75cm/7.83x1.77x1.28in
Color: Black
Weight: 85g
Instruction:
(1) Take this product out of , and hold the product handle with the to fix the exerciser for the left hand to practice.
(2) The thumb of the left hand is placed in the groove on the back of the product. When practicing 1-4 frets, the thumb is placed in groove A; when practicing 2-5 frets or 1-5 frets, , the thumb is placed in groove B.
(3) Practice finger shape, independence and finger strength by pressing the keys of the of the left hand.

Package Contents:
1 x Guitarman type positioning finger power device
1 x Instructions

Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.