But as he lay sleeping from exhaustion, Heber’s wife Jael took a tent peg, grabbed a hammer, and went silently to Sisera. She drove the peg through his temple and into the ground, and he died.
We have seen the army of the Canaanites totally routed. It is said (Psa 83:9, Psa 83:10, where the defeat of this army is pleaded as a precedent for God's doing the like in after times) that they became as dung for the earth. Now here we have, I.
Commenting on Judges 4:17-24
Then Jael, Heber's wife, took a nail of the tent,.... When she perceived he was fast asleep, and it being now put into her heart to kill him, having an impulse upon her spirit, which she was persuaded, by the effect it had upon her, that it was of God; not filling her with malice and revenge, but a concern for the glory of God...
Then Jael took a nail of the tent--most probably one of the pins with which the tent ropes are fastened to the ground. Escape was almost impossible for Sisera. But the taking of his life by the hand of Jael was murder.