In Jerusalem he set up machines, invented by skilled workers, on the towers and the corners for shooting arrows and large stones. And his fame spread far, for he was marvelously helped until he became strong.
It shall have an opening for the head in the middle of it, with a woven binding around its edge, like the opening in a garment, so that it may not be torn.
David put his hand in his bag, took out a stone, slung it, and struck the Philistine on his forehead; the stone sank into his forehead, and he fell face down on the ground.