Help Blacking out by pressing carotid artery

[myaccount1104]

hi, I'm going to practice just making myself blackout by pressing on my carotid artery. I have a few questions.
1. Can I make myself blackout like this using only my hands?
2. If I just practice a few times and successfully blackout, does that have lasting damage?
3. How long will I be blacked out for?

 

[Praestat_Mori]

I think this thread has some useful info:

Hanging Method (from Suicide Wiki)

Note: Most of the links in this post are from the Wayback Machine, which is convenient at the same time, so I recommend seeing the direct links by removing the Wayback Machine url manually Suicidal hanging is the act of fully or partially suspending one's body with the help of a ligature such...

sanctioned-suicide.net