Leviticus 14:24-26

²⁴The priest will take the lamb for the guilt offering, together with the log of olive oil, and wave them as a wave offering before the Lord.

²⁵After he kills the lamb for the guilt offering, the priest will take some of the blood of the guilt offering and put it on the right earlobe of the one being made clean, on their right thumb, and on the big toe of their right foot.

²⁶Then the priest will pour some of the olive oil into his left palm