 The fur was on the outside.His cervid identity is expressed in his going about in the outward form of a deer.Right up to the end of the story, Red Horn is known only by the name "He who Gets Hit with Deer Lungs," "Kunu" explains to his wife, "Once I told him to fast and he refused so I threw a deer lung at him and that is the reason why they called him by that name but no one ever hit him with a deer lung."