Voodoo doll

Voodoo dolls were small, waxen effigies of individuals used in the practitioning of voodoo. Mother Talzin conjured a voodoo doll with a lock of Count Dooku's hair, and then stuck voodoo pins into the doll in order to inflict maximum damage, while not being on the same planet as Dooku.

Text and facts from the “Voodoo doll” article on Wookieepedia, licensed under CC BY-SA 3.0. Modified for this site.