The ethnic headgear of each nation has its own features. In Azerbaijan, it is called "papach," or "papacha." It 's made of sheep 's skin. The best papakhas are those made of lamb skin, which should be well processed. Papaha usually has a shape of a cylinder. Craftsman Saadi Halayev has been engaged in this craft for many years and will tell us about the subtle details of the process.