Ergoplay This popular support reduces muscular tension in the back by allowing both feet to be planted on the floor while playing. Metal construction with three suction cups and a wing nut for height and angle adjustment. http://www.ergoplay.de/index.
Ergoplay Professional...$54
Ergoplay Tappert.........$62
Ergoplay Tröster..........$82
Oasis cushion support...$38