"[4] Different practitioners will learn or discover alternative applications, but the bunkai, like the kata, varies based on the style and the teacher.
[citation needed] Bunkai can be obvious or elusive depending on the technique in question, the moves preceding and following it, and the individual practitioner.
[citation needed] For example, in Gōjū-ryū karate, two-man kata training is used to reinforce bunkai and correct technique.
[6] Similar but expanded and clarified rule sets have become available which are generally applicable to other styles of karate kata.
[7] It has been claimed by martial arts historian Nathan Johnson that the few original antique kata found in karate were actually intended for weapons combat or (in one example) for grappling, as opposed to ballistic strikes.