But this amazing ability is not gained without a price: the holy man or witch must perform an evil act, such as murder, before they can unlock this power. The most common method for becoming a Skinwalker is said to be for the medicine man or witch to in a sense bring a dark curse upon themselves by performing rituals and rites of pure evil. Centers are closed on all major and federal holidays, including Easter Sunday, Independence Day, Labor Day, Thanksgiving and Christmas.