There are two forms of choking: there is a blood choke and there is air holds or suffocation. Each has a different time to losing consciousness, and there is also drowning and semi-drowning.

They probably have different degrees of safety. There are dozens of the vids at scissorfoxes and yes, some of the things on that site are crazy, crazy, unsafe. But ordinary, basic, putting out!

Should be simple, it seems, but I am not a doctor.

Now that you learn the topic, you watch some TV shows of Roman Empire or other things, and there are assassinations by smothering . . . and the assassinations by smothering are over way too quick, I think!