karate, karate-do, martial-arts, martial arts, budo, aikido, kenjutsu, iaijutsu, kendo, iaido, self-defense, shindo jinen ryu, yoshinkan aikido, tenshin shoden katori shinto ryu, bujutsu, karate-jutsu, self defense, koryu, bushido, bugeisha, fitness, health, sports, team-work, teamwork, karate, self-confidence, self-discipline, mental discipline, howard high, kiyoshi yamazaki, internet