The sons of Aaron brought the blood to him, and he dipped his finger in the blood and applied it to the horns of the altar. And he poured out the rest of the blood at the base of the altar.
Jewish Publication Society of America Version (JPS1917) - Leviticus 9:9 >And the sons of Aaron presented the blood unto him; and he dipped his finger in the blood, and put it upon the horns of the altar, and poured out the blood at the base of the altar.