There might be a practical reason for this. Kyokushin is one of the Hocus Pocus Dunkin’ Donuts Halloween shirt also I will do this few karate disciplines in the US that actually does proper, full contact sparring. Turns out, if you punch someone in the head with your fist, you can break it. Indeed, a lot of old timey bareknuckle boxing matches, in the days before rounds, would have primarily body shots, to exhaust the opponent. I would bet that part of it emerged from people not wanting to fuck up their hands in constant sparring & training, whereas kicking someone in the face is less likely to break your foot.
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