Guillotine

It's a frontally applied choke, which can affect your breath and bloodflow as well, depends on the details of the application. A very common submission from wrestling, judo and from a lot of area is known the basic application.

From frontal you wraps the opponent neck with one arm and connects with the other arm. The application can be a blood choke with the arm deep. You can attack with your upper arm bone or even rotate that your wrist connects with the neck.

Try multiple application. ie. put your wrist to the neck and rotate it in.

check out the Marcelo Guillotine a.k.a Marcelotine setups and executions by Marcelo Garcia

choked out

- break the arms,without the arms connected you should be able to survive and escape
- go to the other side of the attacker of the wrapping hand