Mata leão, meaning 'lion killer' in Portuguese, is a strangle or choke-hold in Brazilian Jiu Jitsu.

How to Do a Sleeper Choke Hold (With Pictures)

Can Police Officers Be Held Criminally Responsible for Using Chokeholds? - Stanford Center for Racial Justice - Stanford Law School

The Chokehold Issue, Eric Garner Case

Can this choke kill someone,i had to use it few hours ago to restrain someone and i didnt even squeeze and guy blacked out(sorry for anime pic idk whats is called)

Before Jordan Neely's Death, Doctors Long Warned About Chokeholds - The New York Times

Choke hold Definition & Meaning - Merriam-Webster

Taking your breath away - why strangulation in domestic violence is a huge red flag

Sleep Token - Chokehold

Choking - Wikipedia

WCGW teaching your girlfriend to chokehold : r/Whatcouldgowrong