This is the ErgoPlay Tappert (Adult) model, more study and adjustable than standard A-Frame supports. The ErgoPlay team invented this remarkable guitar rest to bring ergonomic assistance to your guitar playing. The Tappert guitar rest builds a bridge between you and your instrument. BENEFITS: Both feet stay on the floor; Your back remains straight, for a proper centre of the gravity; You sit naturally, no twisting or bending; Your arms are more relaxed; The support is adjustable to match the guitar neck angle to your natural position; Foam leg padding for increased comfort; Non-mar rubber suction cups securely grip your guitar; Easy to follow instructions included; The bottom of the guitar is not dampened by your body; The guitar faces to the listener, yielding a ideal sound pattern... The ErgoPlay Tappert model is an adjustable, sturdy, solid metal support that ensures beginners use the correct position, while helping reduce stress and strain for any player.