What does a durag do?

What does a durag do? What is the purpose of a durag? A durags main function is to maintain and protect your hair and upkeep it’s desired style. A durag is worn to save hair moisture while packing the hair and holding it set to make the ideal 360 wave pattern or protect hair(braids/twist) from frizzing & looking old. Wearing a Durag could help your hairstyle last up to 2 times longer. Some people wear a durag to protect their hair or preserve their hairstyle like 360 waves, braids , twist ,locs, even a fresh press , while others say it helps...