Disgusting, but effective.
I don't think I could stomach that if I had to do it.

I suppose that one never really knows what they can and will do until the situation calls for it.

Any fur bearing animals brain is at leat 1 1/2 as much "brains" "chemical , to do that animal in full.
The hardest part is learning how much fat to scape away, using a dull knife or flat blunt rock.
Messing with brains is no big deal, most ppl eart them and don't evan know it..ie..hot dogs, bologna, and most processed lunch meats.
I like squirrell brains and scrambled eggs.

Salting can work but lacks the water resisitance you get with the chemicals.

Edit top add;; I did not watch the whole video but after blending your mix really well, warming it makes the "working" it in easier and penetrates te hide better. No warmer than hot tap water though!

[edit on 4-9-2009 by Doc Holiday]

This is not only true for deer but all land mammals. If you kill an
animal to eat it is really sacriligious IMO to not use as much of
the animal as you can. In a long term survival situation you will
darn glad you have some deer or rabbit skins to cover up with
or make clothing.

Other body parts can make:

Stomach/bladder - waterproof containers
Intestines - sausage wrappers
Sinew - excellent thread
Bones - crack open and eat the marrow (very nutritious)
Bones - tools, weapons. basket ribbing, various untility items ,etc
Hooves - Boil and mash to make glue
Hair - insulation
Fat - boil down to make tallow
Unusable organs - bait for traps or fishing

Use everything you can!