He shall flay the burnt-offering; partly for decency, because the sacrifices being as it were God's food and feast, it was incongruous to offer to God that which men refused to eat; and partly to signify that the great thing which God required and regarded in men was, not their outward appearance, but their inside; and that as he doth see all men's insides, Hebrews 4:13, so he will one day make them visible to others. Into his pieces, to wit, the head, and fat, and inwards, and legs, Leviticus 1:8,9.
Related Commentaries of Leviticus 1:6
Leviticus 1:6
6 And he shall flay the burnt offering, and cut it into his pieces.