well, if you have weak ancles, you shouldn't, but if you have normal ancles, you will only make them stronger. it is just like sparring.. if you have a glass-nose that breaks if someone breaths hard in your direction.. ofcourse you don't go full contact sparring .. but if not? go ahead..
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any given fighter can beat any given fighter on any given day..
so..
what are you waiting for Rickson, I'm here..