I know its an old thread, but the quality of the fur and leather (hide) varies from season to season. Fur bearers trapped are only trapped in the fall and winter. You can tan them other times of year, but the skin will be thinner and fur sparser. I used to tan fox, ermine and muskrat pelts. Use a kit at first. Go for those that soak and submerge the pelt, not the rub on types; for a better, longer lasting finish. http://www.vandykestaxidermy.com/Tanning-Kits-C18.aspx