The Rear Neck Choke (RNC)
The RNC is one of the most common chokes. This choke is a blood choke. The Rear Neck Choke will stop the blood flow to the brain and allow your opponent to pass out without interrupting air flow. The detail of the RNC is to get your elbow even with your opponents chin. Also, it is best to drive your heels to the ground to help arch your opponents back and expose the neck.