Exodus 29:20 Then shalt thou kill the ram, and take of its blood, and put it upon the tip of the right ear of Aaron, and upon the tip of the right ear of his sons, and upon the thumb of their right hand, and upon the great toe of their right foot, and dash the blood against the altar round about. (See RSV)
Leviticus 8:24 And Aaron's sons were brought, and Moses put of the blood upon the tip of their right ear, and upon the thumb of their right hand, and upon the great toe of their right foot; and Moses dashed the blood against the altar round about. (See RSV)