Haircloth
STIFF, OPEN-WEAVE FABRIC OF HORSE'S OR CAMEL'S HAIR WITH LINEN, MOHAIR, COTTON, OR OTHER FIBERS
Hair cloth; Haircanvas
Haircloth is a stiff, unsupple fabric typically made from horsehair and/or from the wooly hair of a camel. Although horsehair generally refers to the hair of a horse's mane or tail, haircloth itself is sometimes called horsehair.