BRITTLE explores the fact that the slave pegged for bewitching the first group of Salem Village girls brought her occult practices from Barbados, where she was "purchased". What occult practices are there in the Caribbean? Voodoo. But why isn't much said of this?
Sara gets mixed up with Baron LaCroix, one of the Guede Loa spirits of death, the afterlife, and other non-YA things. In BRITTLE, I take some poetic license and mix certain elements of other Loa to form Baron LaCroix's character.
This is the image on Sara's amulet: