The religious practices of the Otomí people of Mexico frequently involve the use of paper figures called nzahki that represent various deities. Cut out by a village shaman during a special ceremony, the nzahki are burnt as offerings to beneficial spirits and to drive away evil. Nzahki are sometimes glued into books as a method of preserving the stories and traditions of the Otomí culture and include representations of both good spirits, such as Madre Tierra (Mother Earth), and evil spirits, such as Señor de Diablo (Mr. Devil).