Josh Barnett shocked the grappling community yesterday at Metamoris 4 by not only dominating Dean Lister, but also being the first man to submit him in over 16 years!

If you watched the match and still quite don’t understand how that submission works, watch the video below as Erik Paulson (Barnett’s coach) explains how it’s done.

Many thought it was a neck crank, but as Paulson explains in the video, it’s a “weight choke”. It puts a lot of pressure against the chest, making it impossible to breathe in, that’s why some call it “The Diaphragm Choke”.
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