Guitar playing assistance devices, namely, a sliding clamp-like structure positioned onto the guitar neck to form and sound guitar chords and notes; guitar playing assistance devices, namely, a sliding clamp-like structure positioned onto the guitar neck to assist a player in forming and sounding guitar chords and notes; clip on tuner for guitar; capo for guitar; tuner for guitar; strings for guitar; half-size guitars not being toy models; kit for assisting in learning to play guitar, compris...