In this 10-minute match between Sheena and Laken, the rule was that Sheena was only allowed to make Laken submit using leg submissions. We thought this might even things up a little bit, but we couldn't have been more wrong. As a black-belt judoka, Sheena knows an impressive number of leg-locks with which to make Laken tap-out.

It seems the standard way involves trapping one leg in the crook of the knee of the other leg and then pressing down (see the trailer for a clearer explanation). Depending on how hard you press down, the move causes intense pain and a guaranteed submission. ... Show more