Foil on Polymer Clay Pendants

I used red variegated foil to make these pendants. It's the first time I've tested that product. I spread the foil onto a clay slab (it sticks easily) and then put the clay through the roller at a smaller setting to cause the crackle. And then I cut out the pendants by placing a plastic bag over the clay, and cutting. I do that so that the edges will be rounded.