1” and “hip technique No. 1.” He also devised judo’s “obi” belt-ranking system. In Japan at the time, there were only two colors, black and white, used for practitioners. But Kawaishi ...

An opponent submits to a hold by tapping twice on the mat with a hand or foot. Judo is played on a floor area called tatami, which covers an area of 14m sq. Judoka wear loose fitting uniforms called ...