We are all different. Someone has legs to "O", another to "X". There are also variety of the width of your calves. For comfortable and safe jumping. Therefore is needed a binding that adapts perfectly just to your feet.
Jump-A-Calf Cuff is compatible with Jumping stilts of all brands (A-Jump, Poweriser, powerstrider, Skyrunner, Worker, ...).
Switching on and break the buckle is a matter of a few seconds.