  a bristle is a stiff hair or feather. also used are synthetic materials such as nylon in items such as brooms and sweepers. bristles are often used to make brushes for cleaning uses, as they are strongly abrasive; common examples include the toothbrush and toilet brush. the bristle brush is a common household cleaning tool, often used to remove dirt or grease from pots and pans. ==variations of bristle in the animal kingdom== bristles are found on pig breeds instead of fur on most mammals. because the density is less than with fur, pigs are vulnerable to sunburn. one breed, the tamworth pig is endowed with a very dense bristle structure such that sunburn damage to skin is minimized. animals named for their bristles include bristlebirds, the bristle-thighed curlew, the bristle-spined porcupine, and the trinity bristle snail. bristles also anchor worms to the soil to help the worm move. ==see also== * hairbrush ==references==  ==external links== * types of bristle materials used for brushes 
Animal_hair