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@shinedojo has been toying with inverted for a few months now. It's def significantly increased his ability to defend the pass and he's always attacking limbs.

for sure, if you don't invert you are only guarding 180 degrees, but if you do, you double your defense.

I seem to be very comfortable while inverted, so stacking is not a good defense against me. I really haven't had any official training of inverted. The stuff i've been playing with has just been experimental. I find it's way easier to control larger opponents.

That it is, but just be careful of your back and neck, hen larger opponents drop weight, stack and fold you can find yourself in a bad position.