• dohpaz42@lemmy.world
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    4 months ago

    Useful in fighting as it helps protect the lower jaw and teeth?

    But then again, it could simply be a trait we have developed over the millennia, and there is no deeper meaning to it.

    • Caveman@lemmy.world
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      4 months ago

      I think this is plausible, also the fact that when you lean your head a little bit forward you expose the front of the skull which is the thickest part while the chin prevents people from punching your neck.