What's in the box:

grip trainer x 1

Features:

1.Finger exercises tension capabilities to solve the problem of the guitar, piano beginner difficult to open their ring finger and little finger

2.can not easily to press the button overcome the problems and troubles for the beginner. 3.Flexibility

4. train anytime (in train, in bus, in car, walking to work, to school), anywhere, to achieve what you wish (to be professional guitarist sooner)