For god sakes are they really considering teaching troops to use this stuff in combat? It might work but if I lost a limb or was shot in combat and some idiot started sticking me with needles I'd stick one in his eyes. Let's just stick (no pun intended) to good old fashioned direct pressure and tournequets oh and morphine that's good stuff.
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Member of DaJoGen MMA school under Dave Hagen and Team Chaos fight team under Denver Mangiyatan and Chris Toquero, ran out of Zanshin Martial Arts in Salem Oregon: http://www.zanshinarts.org/Home.aspx,