Contestants wear judogis — also known as gis — made of strong material ... (Grabbing the opponent's judogi is a legal move in judo.) During a match, one competitor wears white, while their opponent ...

Judo instructor Sato Hitoe uses worn-out uniforms, or gis, to make items like tote bags; very durable, since the original material was meant to be tough. And behind it all is Sato's love for judo.

Japan, the birthplace of judo, dominates the all-time Olympic medal table. Japan's 48 gold medals and 96 medals overall are far and away the most of any country. France (16 gold medals, 57 total ...