I salute you on your goal of using all you can of a harvested deer. I started using deer tallow after par-boiling some venison ribs before BBQing them, and finding a thick layer of venison grease on top of the cooled water left over from the par-boiling. Other fat from the deer can be processed the same way. This tallow is solid, and white, and works very well. Goat, and mutton, tallow can be processed the same way. All these natural greases are high on the flash point scale, and make great patch lube.
Hungry Horse