Describe: 1 teaching device and practice tool, designed to assist starting up string college students learn and practice proper left hand wrist role 2 Velcro straps alter around the palm above the thumb, and around the forearm close to the wrist three the student player to benefit the correct directly wrist left-hand position, as incorrect wrist bends left hand function prevents the palms from effectively reaching the fingerboard 4 also permits the student to understand traditional moving from 1st to 3rd position, as it supports the coed keep the wrist and forearm moving as a unit throughout this more Size Imformation: S length suite for 1/4-1/16 college students M size suite for 1/2-4/4 college students Packing List: 1 x Violin Wrist Appliance