Korea's cultural grappling gift to the world is still relatively obscure and for no good reason then lack of exposure. Ssireum wrestling is fought in sand pits with nothing more then a loin cloth which practitioners put one arm through on their opponents waist as they clinch with the opposite arm. Rules are simple: no striking, keep your arm in the loop, first to touch the ground is the loser.
Know your roots! Check out these great techniques and moves that could easily be converted to MMA, or any wrestling competition: