ROHO - Self-Contained Air Spring Adaptor Pad can be used as an interface on virtually any flat or contoured surface to protect soft tissues. This is an all purpose, cut-to-fit ROHO air cushion that will fit various surface shapes such as sides of wheelchairs, trays, head/foot rests, or the inside of a helmet. Use anywhere shock protection is needed. ROHO, making life more comfortable with easy to cut air cushions.