You can use a truck ATV winch and a golfball to skin your deer. Not a big trick to it if your using a lets say truck. I would have some plastic its clean well when new. Tie the deer to your truck around its neck cut around the neck and I cut down the back which seems to work better .Start the skin by pulling out and use your knife to help to get enough hide to place the GB in. To place the GB place it on the hair side then loop what ever you are using around the GB on the meat side of the hide then add some tension. I use what they call mule tape that is used for pulling wire its thin but strong. If you got it right it get tighter the more you pull I would think it would be harder to control tension with a truck like you can with a winch If all goes as planned you can pull the hide off the deer without much effort. I am lucky I have a old crane with three gear speeds if I had to make one I use a good boat winch maybe adding a pulley like in a block and tackle set up. You can make it with some post all you need is two points one to pull one to anchor. The stronger the winch the easier it will be if you use a hand winch that is.