For several years (and occasionally still) I used only a "RazorRake" pull through sharpener on my Snuffers. This makes an edge very similar to a Snuffer Tamer, but hollow ground instead of changing the whole edge angle. I never fooled around getting a shaving edge with the Rake, but used the nasty wire-burr edge it left as is. Shot at least a half dozen deer, a couple antelope, my moose and muskox with heads sharpened this way - no problems at all - and the heads generally lose no edge after going through the animal and into the dirt. Last year I went back to a fine smooth shaving edge using the hollow grind/bench grinder, diamond stone/leather strop method, and frankly, I'm not convinced it is any better. I may end up back at the wire edge.
You get a good wire/burr edge that grabs skin and feels sharp and you are good to go.
I know the "studies" may say otherwise, but I just don't see the difference in the REAL WORLD.
R