He also defeated Moab. He measured them with a length of rope, forcing them to lie down on the ground. He measured two lengths of rope to be put to death, but the entirety of one length he allowed to live. So the Moabites became subject to David, bearing tribute.
Therefore the Israelites cannot stand before their enemies. They turn their backs to their enemies because they have become dedicated for destruction. I will not be with you anymore if you do not destroy the things dedicated for destruction in your midst.