The Sheet Choke Gone wrong.
Eve Gracie demonstrates the sheet choke in more detail, and Rener reveals the moment during the bedroom technique video that she actually choked him unconscious.
Tae Kwon Do Black belt vs Rener Gracie BJJ Black belt in a No Rules Fight
Rener Gracie: We Got Jacked for Over $10,000 by Jiu Jitsu School in Canada