Priests: Ceremonies at Consecration of Clothing with the Holy Garments
Source: TTT
Exodus 29:8, 9
Present his sons as well and clothe them with tunics. / Wrap the sashes around Aaron and his sons and tie headbands on them. The priesthood shall be theirs by a permanent statute. In this way you are to ordain Aaron and his sons.
Exodus 40:14
Bring his sons forward and clothe them with tunics.
Leviticus 8:13
Then Moses presented Aaron’s sons, put tunics on them, wrapped sashes around them, and tied headbands on them, just as the LORD had commanded him.