I don't know. Looking at that Achilles lock I think Aoki suddenly snapped the submission hold backwards without even trying to apply more and more pressure. He just snapped it back. Of course you can't tell just from looking if he actually did that, but it sure as hell looked like it.
Rookie Hammer Squad 2015
Frankie Edgar - Dominick Cruz - Jorge Masvidal - Cat Zingano - Holly Holm