# What is an overhook in BJJ?

An overhook (or whizzer) wraps your arm over your opponent's arm and pulls it tight to your body, controlling their arm from outside. Overhooks counter underhooks and defend takedowns - when someone shoots, you can whizzer to stop their penetration and spin behind them. From guard, overhooks control...

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**Tags:** technique, beginner, gi, no-gi

**Source:** [BJJ Notes Knowledge Base](https://www.bjjnotes.app/knowledge-base/what-is-an-overhook-in-bjj)