Judges 16:5-8

And the lords of the Philistines came up to her and said to her, “Entice him, and find out where his great strength lies, and by what means we may overpower him, that we may bind him to afflict him; and every one of us will give you eleven hundred pieces of silver.” So Delilah said to Samson, “Please tell me where your great strength lies, and with what you may be bound to afflict you.” And Samson said to her, “If they bind me with seven fresh bowstrings, not yet dried, then I shall become weak, and be like any other man.” So the lords of the Philistines brought up to her seven fresh bowstrings, not yet dried, and she bound him with them.