ninjitsu, ninjutsu south africa, koga ninja ryu martial arts self defence security ninja hijacking hijack Bujinkan practical fighting methods street fighting bodyguarding guard guards guarding service services blade sword knife tonfa pr24 jo bo firearm gun nunchaku katana shuriken south africa gauteng johannesburg acrobatics fitness healthy sutra judo karate boxing gym shooting complex advancedmartial arts, martial art, classes, supplies, ninjitsu, sanf, combat, ninjitsu south africa, tae kwon do, taekwondo, karate, kung fu, kickboxing, jujitsu, jujutsu, judo, BJJ, johannesburg, kendo, iado, grappling, gung fu, ufc, pride, pridefc, xma, naska, nbl, wskf, bruce lee, ninja, jet li, jackie chan