Pain-proof Finger Guitar Aid, Guitar Teaching Aid Practice Tool Guitar Learning System Classical Guitar Tuners Tools Accessories for Guitar Beginner

for All Ages: Extremely quick progression with a proven, effective guitar chord system, suitable for all ages.
Using Note: This version of the chord practice aid does not currently work on left-handed, 12-string, classical or half-sized (children’s) guitars.
Working Condition: If it is less than 1 1/2