Deer are one tough animal. We have had threads before where folks have talked about all the different objects they have found in deer they have taken. Broadheads, pieces of arrow shaft, bullets...etc. My wife's uncle owned a meat processing plant and they got super busy during deer season, he had tons of stories about all the objects he had found in deer. He had a small box full of all the things he had collected over the years. Strangest one he told me about, was a deer that had a welding rod run about have way up his fore leg. He figured a farmer was in the field making repairs on his machinery- it is common for the farmer to stick the rods in the ground next to his work so he can easily grab them as he uses up the rods. Deer probably jump a fence and came down on the rod, driving it up into his leg.