ELI5: Explain Like I'm 5

Wristlock

A wristlock is when someone grabs your hand and twists it in a way that makes it hurt. Imagine someone is holding your hand and starts turning it like a doorknob really hard. It hurts because the bones and muscles in your wrist aren't supposed to move that way. It's like when you twist a piece of paper too much and it rips. Wristlocks are often used in wrestling or martial arts to make the other person give up or stop trying to fight. But it's important to be careful when doing wristlocks so you don't hurt someone too badly.
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