The Beard: Shaving of, a Great Offense

So Hanun took David’s servants, shaved off half of each man’s beard, cut off their garments at the hips, and sent them away.

When the Ammonites realized that they had become a stench to David, they hired twenty thousand Aramean foot soldiers from Beth-rehob and Zoba, as well as a thousand men from the king of Maacah and twelve thousand men from Tob.

On hearing this, David sent Joab and the entire army of mighty men.