what are dew rags for?
<answer> Dew rags are for cover the top of one's head. <context> American rapper GZA wearing a do-rag. A do-rag (also spelled variously as a doo-rag, dew-rag, du-rag or durag), is a hat used to cover the top of one's head, sometimes made of nylon material and having a skullcap fit. It may also be referred to as a wavecap.