Take some of the blood of the bull and put it on the horns of the altar with your finger; then pour out the rest of the blood at the base of the altar.
Jewish Publication Society of America Version (JPS1917) - Exodus 29:12 >And thou shalt take of the blood of the bullock, and put it upon the horns of the altar with thy finger; and thou shalt pour out all the remaining blood at the base of the altar.