BDSM sexual tool or position aid -?try it and you decide!?Made of anodized aluminum,?nickel free metal hardware,?and expands from 28.5? to 37?. The Spreader Bar?breaks down for easy travel?and includes middle clip for attachment?and has index lines for easy assembly.?Includes clips on each end to be used with Edge Wrist, Arm or Ankle Cuffs?