One spring day, during the time of year when kings go off to war, David sent out Joab, along with his personal staff and all of Israel's army. They utterly destroyed the Ammonites and then attacked Rabbah while David remained in Jerusalem.

Whenever he cut his hair he cut it at the end of every year, because it grew thick on his head, which is why he cut it his hair weighed in at 200 shekels measured by the royal standard.