Josh Barnett did the unthinkable at Metamoris 4: he completely dominated and submitted Dean Lister. Lister hadn’t been submitted in competition in 17 years. He used a what looked like a neck crank from kesa gatame/ scarf hold position.
Erik Paulson (Barnett’s coach) explainshow his student did it. Paulson explains in the video that it’s not a neck crank. It actualy puts pressure on the chest and prevents breathing.
Here is Barnett at Metamoris:
See the video explaining the technique: