Help maintain a healthy comfortable posture by using the ErgoPlay Guitar Support. Avoid developing back problems by keeping both feet level on the floor and having a straight spine while practicing. Adjustable height and angle. ErgoPlay Professional Model Guitar Support Adjustable height / angle front end. 3 Stationary suction cups. ErgoPlay Professional Model Guitar Support EP ProRegular price: $42.95Sale price: $39.98 ErgoPlay Troster Model Guitar Support Adjustable height / angle both ends. 4 Suction cups adjust on a slotted track. ErgoPlay Troster Model Guitar Support EP TrosterRegular price: $72.95Sale price: $66.95 ErgoPlay Tappert Model Guitar Support Adjustable height / angle front end. 3 Suction cups adjust on a slotted track. ErgoPlay Tappert Model Guitar Support EP TappertRegular price: $49.95Sale price: $44.95