Originally Posted by super_hunt54

How high up where you? The higher up, the steeper the angle of the shot. Though 30 yards is out there a pretty good bit, if you were say 25 feet up, your trajectory would have the exit pretty low on the deer where it would pick up that heavy, white greasy looking fat layer. Though you did say it clipped the heart and USUALLY you don't get the greasy looking stuff from a brisket or close to the shoulder exit, it does SOMETIMES happen.