Why didst thou not smite him down from the oak, and with thy spear nail him to the ground? A girdle; a military belt of more than ordinary price, as a testimony of thy valour and good service. See Poole on "1 Samuel 18:4".
Related Commentaries of 2 Samuel 18:11
2 Samuel 18:11
11 And Joab said unto the man that told him, And, behold, thou sawest him, and why didst thou not smite him there to the ground? and I would have given thee ten shekels of silver, and a girdle.