Cuir, which means “leather” in French: Cuir is a decorative expression technique characterized by the texture and luster reminiscent of the texture of leather. The reason for the production of the Cuir series was a new attempt to replace the texture of “leather”, which gives a sense of luxury, with porcelain, while searching for a new expression in pottery. Five years of repeated tests. It was completed after many years of trial and error. It is Hataman's unique new expression that takes time and effort to complete by repeating firing 5 to 7 times.