>>211879877Called shoqma, kaipa, huywa, etc depending on the region
Not always, but in its most popular form, it involves rubbing a guinea pig, hence the Spanish term soba de cuy or guinea pig rubbing, its entrails are then used for divination. In the most traditional northern versions, like this one from the Ancash region's countryside, the animal is skinned alive by the healer’s bare hands, so he keeps his fingernails long for that purpose (a detail found in colonial descriptions of not all but some types of sorcerers): https://player.vimeo.com/video/36374676 (10:40 mark)