31 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.
2 Samuel 12:31 Cross References - ASV
2 Samuel 8:2
2 And he smote Moab, and measured them with the line, making them to lie down on the ground; and he measured two lines to put to death, and one full line to keep alive. And the Moabites became servants to David, and brought tribute.
1 Chronicles 20:3
3 And he brought forth the people that were therein, and cut [them] with saws, and with harrows of iron, and with axes. And thus did David unto all the cities of the children of Ammon. And David and all the people returned to Jerusalem.
Psalms 21:8-9
Amos 1:3
3 Thus saith Jehovah: For three transgressions of Damascus, yea, for four, I will not turn away the punishment thereof; because they have threshed Gilead with threshing instruments of iron.