This is a special jump rope which Reebock Cross fit world competitors use in competition. In the Crossfit competition, athletes need to jump as many as repetitions as possible within time limits. Also, there are competitors who do Quadruple Unders or more. Figure skaters use jump ropes for their core and coordination training. You can also use it as warm up for figure skating practice and competitions. This jump rope is ideal for figure skating strength and cardio training off ice, ultimtely to jump higher and achieve more rotations.