'Warp threads' in the Bible

And Delilah said to Samson, "Until now you have mocked me and told lies to me. Tell me how you can be bound." And he said to her, "If you weave seven locks of my head with warp-threads."

She fastened [it] with the pin and said to him, "[The] Philistines [are] upon you, Samson!" And Samson woke up from his sleep and tore loose the loom pin of the web and the warp-threads.