Jump Rope is both a popular children's pastime and an elite sport, and there are high hopes that it may one day feature at the Olympics. In Japan, jumping rope is known as nawatobi, and the country is a major force in elite Jump Rope. In fact, Japanese men won both the junior and senior categories in Speed Sprint at the recent World Championships. We take a look at one champion's unique training methods and learn that Jump Rope is not just about physical skill, but also about rhythm and mental control.