mine own mule. David had not disobeyed Deuteronomy 17:16, as Absalom had done (2 Samuel 15:1) and Adonijah (1 Kings 1:5).
Related Commentaries of 1 Kings 1:33
1 Kings 1:33
33 The king also said unto them, Take with you the servants of your lord, and cause Solomon my son to ride upon mine own mule, and bring him down to Gihon: