Hello all,
I'm new to the forum, but have been consulting it for years. Here are some pics from my first all-natural arrows, including bone broadheads. I used cow bone from the pet store, and modern tools (the smell of the bone being worked with my dremel tool was terrible!). These arrowheads passed straight through a thick couch cushion and into the rotten-log back stop many times without damage, from about 25 yards. I suspect they'd do the trick on a deer.