Then Delilah said to Samson, "You have mocked me and lied to me all along! Tell me how you can be tied up." He told her, "If you weave the seven braids of my head into the web of a loom and tighten it with a pin, I will become as weak as any other man."

Judges 16:12
So Delilah took new ropes, tied him up with them, and called out, "Samson, the Philistines are here!" But while the men were hidden in her room, he snapped the ropes off his arms like they were threads.

Judges 16:14
So while he slept, Delilah took the seven braids of his hair and wove them into the web. Then she tightened it with a pin and called to him, "Samson, the Philistines are here!" But he awoke from his sleep and pulled out the pin with the loom and the web.

And Delilah said to Samson, Till now you have mocked me, and told me lies: tell me with which you might be bound. And he said to her, If you weave the seven locks of my head with the web.