You can address the doll as if you are talking to that person, requesting a change in attitude, influencing the person to act in accordance with your wishes, your desires Today, a significant percent of the population of New Orleans partake in Voodoo rituals. The practice of Voodoo involves the blessing of a Voodoo doll by an experienced practitioner which allows the possessor of the doll to contact the spirits directly - requesting fulfillment in love, finance, career, family matters, etc.