Parallel
2 Samuel 12:31
Jewish Publication Society 1917 · Berean Standard Bible
And he brought forth the people that were therein, and put them under saws, and under harrows of iron, and under axes of iron, and made them pass through the brickkiln; and thus did he unto all the cities of the children of Ammon. And David and all the people returned unto Jerusalem.
David brought out the people who were there and put them to work with saws (note: Literally put them under saws), iron picks, and axes, and he made them work at the brick kilns (note: Literally and he made them pass through the brick kilns.). He did the same to all the Ammonite cities. Then David and all his troops returned to Jerusalem.