The steps for tanning a hide with hair is:
Salt, Lots of salt. Roll it up with hair out and leave over night. The next day shake and rub the salt off, then salt it again.

Then you have to flesh the hide, use a knife and scrape all the fat and membrain off that you can.

Then you will PICKLE. Mix a solution with Salt, Safetee acid, Water. Ratio is 1lb salt x 1 Cap of acid x 1 gl water. Let sit for 3 days.

Then you will have to put some kind of tanning solution on it. Roll it up again hair out over night. wipe excess solution, hang and let dry.

www.taxidermy.net Has links to suppliers and other good info.