In Judges 15, Samson caught 300 foxes. What did he do with them?

He tied their tails together, set them on fire, and released them into Philistines' crops.

And Samson went and caught three hundred foxes, and took firebrands, and turned tail to tail, and put a firebrand in the midst between two tails.

And when he had set the brands on fire, he let them go into the standing corn of the Philistines, and burnt up both the shocks, and also the standing corn, with the vineyards and olives. Judges 15:4-5