two men train in aikido with one applying joint lock hiji kime osae technique they are dressed in traditional martial arts kimono

activity adult aggression aikido aikidoka arm art arts class combat concentration control culture defending demonstration discipline dojo exercise fighting fitness focus gi grappling hakama hiji holding ikkyo japan japanese joint judo jujitsu karate kimi kimono learning lock martial mats men osae practice practitioners professional selfdefense sparring sport tatami technique together traditional training uniforms white wrist