# What is a clock choke? The clock choke attacks from behind when your opponent is turtled. You grip their collar and walk your body around their head like the hands of a clock, tightening the choke with each step. It is a fundamental attack against turtle position. **[Read full answer on BJJ Notes](https://www.bjjnotes.app/knowledge-base/what-is-a-clock-choke)** --- **Tags:** technique, gi **Source:** [BJJ Notes Knowledge Base](https://www.bjjnotes.app/knowledge-base/what-is-a-clock-choke)