For the release and the size of the line.
For the release and the size of the line to use, called Bungy Corde or line stretch, which has since been 40 size and weight - 60 kg 60 - 80 kg. And the 80 - 100 kg, then sit down to Jump Master thousand legs Leg Wrap like fasteners, and use Step or abdominal Leg rope leg By using the related Pin connected to Bungy Corde that calculated. The main equipment, even with a few pieces. It focuses on safety and are under the close supervision of Jump Master throughout.