Exodus 29:12
And you shall take of the blood of the bullock, and put it on the horns of the altar with your finger, and pour all the blood beside the bottom of the altar.
Torrey's Topical Textbook—AKJV

Leviticus 4:7
And the priest shall put some of the blood on the horns of the altar of sweet incense before the LORD, which is in the tabernacle of the congregation; and shall pour all the blood of the bullock at the bottom of the altar of the burnt offering, which is at the door of the tabernacle of the congregation.
Torrey's Topical Textbook—AKJV