Judges 15:14-15

¹⁴When he came to Lehi, the Philistines shouted as they met him. And the Spirit of the Lord came upon him mightily so that the ropes that were on his arms were as flax that is burned with fire, and his bonds dropped from his hands. ¹⁵He found a fresh jawbone of a donkey, so he reached out and took it and killed a thousand men with it.