Just reviving this thread to further point out...
You can utterly destroy a limb or joint without ending the fight.
https://youtu.be/DroK_yRvLH8
Mikey pretty much ruined this dude's leg. Something like a torn meniscus, torn ACL, torn LCL and broken ankle. It's likely this guy will need 12 months to fully recover, yet he didn't tap.
I'm a big fan of wrestling control or strangles for self defense. Fully disabling someone for punching me strikes me as a huge overreaction.
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