The gi match between Keenan Cornelius and Yuri Simões at Metamoris 5 was responsible for some of the most thrilling moments of the event.
In one of those moments, Simões caught Kennan in what seemed to be a very tight kneebar.
As the crowd waited to see what happened, Keenan had a very strange defense technique.
In the video below, he explains why it worked so well.
