Võ phục not necessarily adopted by all practitioners, as evidenced throughout 1973-1990 when many practitioners under a separate development of Vovinam, the "Viet Vo Dao Federation," wore black uniforms. By 1990, however, after further meetings between councils, indigo had been adopted by the majority of Vovinam practitioners in and outside of Vietnam. Deep blue/indigo (Vietnamese: Lam) is now the internationally accepted color of Vo Phuc for Vietnamese martial arts. The "võ phục" of Vovinam are very similar, if not nearly identical, to the "keikogi" of Japanese martial arts. Both top and bottom of the uniform are constructed in much the same way
Sinanju (martial art) same name.) Early disciples of the art used weapons, but the later practitioners developed virtually superhuman abilities through the training as it became revised following the ascension of Master Wang, the greatest master of the art up until modern times. Sinanju training enables one to hold one's breath for over an hour, rip steel doors from their hinges, climb walls, dodge bullets (even at point-blank range), overturn a moving tank, outrun a car, seem invisible, overcome multiple opponents, and bring a woman to the heights of sexual ecstasy. According to Chiun, the other martial arts in the world (kung fu,