Of the priests in their office. Therefore the right shoulder was burnt, which in other sacrifices was given to the priest.
Related Commentaries of Exodus 29:22
Exodus 29:22
22 Also thou shalt take of the ram the fat and the rump, and the fat that covereth the inwards, and the caul above the liver, and the two kidneys, and the fat that is upon them, and the right shoulder; for it is a ram of consecration: