David, all he is doing is performing it not in a fight. In a fight he might've injured the opponent already then hit. He would find the right time to ...

David, all he is doing is performing it not in a fight. In a fight he might’ve injured the opponent already then hit. He would find the right time to hit. Some of the karate techniques aren’t used right away/once you are challenged. You have to do them when there’s a good opportunity. But this particular kick does look a little useless.

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