Then tidings came to Joab: for Joab had turned after Adonijah, though he turned not after Absalom. And Joab fled to the tabernacle of the LORD, and caught hold on the horns of the altar.
And Aaron shall make an atonement on the horns of it once in a year with the blood of the sin offering of atonements: once in the year shall he make atonement on it throughout your generations: it is most holy to the LORD.