So I was reading through my comments on my v-nails post, and one anonymous commenter said this about them:

I'd call it the butt crack! It's hideous! O.O

So I was like, "Challenge!"

Now take a look:




It was a pretty poor attempt, I may have to repeat it.
Base: Barry M Nail Paint in "Raspberry"
Bum: Nails Inc "Caramel"
Various acrylic paints for the um, shading.