The dorsum is smooth to finally shagreen. The skin of the dorsum is finely shagreen with small pustules. The texture of dorsal skin is shagreen and includes spinules and white warts. Texture of dorsal skin of males is shagreen with spinules. The elderly shopkeeper leads him to a piece of shagreen hanging on the wall. One of the many historical applications of shark shagreen was in making hand-grips for swords. Three items made of shagreen can be found in the Topkapi collection. The resulting meshes enclose deep pits in which is a microscopic shagreen surface. This edging is minutely tubercled like shagreen. The postpetiole, when viewed above, has a strong shagreen with distinct transverse punctostriae. Shagreen leather was produced in the past using the small, hard goosefoot seeds. The only remaining copy is bound in shagreen, and fastened with hasps of human bone. In modern times, shagreen is produced from the skins of commercially farmed Asian stingrays.