The curve is designed for what you just said; skinning large animals, where you'd make a sweeping gesture to seperate the skin from the meat.
There are other uses for a blade like that, but the main usages would be as said before, survival, and to prepare the meat of any animal you're slaughtering.
The more I look at it, the more I'm thinking of ordering it now. Hmm, 1 for me, 1 for my dad, 1 for my cousin.... Yeeesh! This is gonna cost me a fortune by the time I gt sheaths made for them as well! <img src="/ubbthreads/images/graemlins/crazy.gif" alt="" />