Hungary and BillG are at odds with each other, amicably so, well done.
But basically they both agree, animal skins were provided as a cover to the nakedness
in the garden, they now knew evil and lust, so the animals represent the penalty for sin, blood.
But also the animal blood pointed to a better sacrifice, and eternal sacrifice once and for all.
And you all know what I am speaking about the blood shed on the cross by our Lord Jesus.
This is basic Christina teaching, no sin is forgiven without rpentence, and repentence is found
in faith. The Jews of old were nevr saved by the blood of oxen and goats, that was the sign
of a betetr sacrifice. Without repentence of the sin there could be no forgiveness, The atonement
of Christ Jesus on he cross is sufficient to wipe out all sin, we are saved by faith, and HIS rightiousness
is imputed to us by that faith, we are covered by the blood.
Hebrews 10:8 8 First he said, “Sacrifices and offerings, burnt offerings and sin offerings you did not desire, nor were you pleased with them”—though they were offered in accordance with the law. 9 Then he said, “Here I am, I have come to do your will.” He sets aside the first to establish the second. 10 And by that will, we have been made holy through the sacrifice of the body of Jesus Christ once for all.