Japanese angelshark is eaten and the rough skin is made into a type of leather called shagreen for use in wood finishing. Angel sharks in general are highly threatened by commercial trawl fisheries due to their susceptibility to capture and low rate of reproduction, and angel shark species elsewhere are known to have declined markedly under fishing pressure. Trawling activity in the Yellow Sea and other parts of the northwestern Pacific is intense and, coupled with pollution, has had a serious impact on the local ecosystem. The Japanese angelshark population is suspected to have declined by up to 50% or more under
Santiniketan Leather Goods cotton pad or a glass, which has a smooth surface, is used to make the grains of the leather shine. The raw materials used in making these goods are classified according to the grain quality and smoothness as E.I. Tanned leathers of sheepskin or goatskin that are dyed with vegetable colours. Three leather types are defined: "Paper" which has a coarse grain and spots is the skin of larger goats or sheep, and "Bind" and "Kid" which are both derived from smaller animals and are of superior quality. Other materials used to make the final product include paper board of