Sublime

Once killed, the entire carcass was put to good use: the flesh and tongue for meat; the skin for tipi covers, clothing, cradles, shields, moccasins, musical instruments and horse equipment; the hair for headdresses, ornaments and ropes; the tail for fly-brushes; the horns for cups and spoons; the hooves for glue and rattles; the bladder for bags;

keratin—a very tough protein that makes up the hard part of your skin, nails, and hairs.