A snood is a type of headgear, historically worn by European women over their long hair. In the most common form it resembles a close-fitting hood worn over the back of the head. A tighter-mesh band may cover the forehead or crown, then run behind the ears and under the nape of the neck. A sack of sorts dangles from this band, covering and containing the fall of long hair gathered at the back. A snood sometimes was made of solid fabric, but more often of loosely knitted yarn or other net-like material. Historically (and in some cultures still in use today) a small bag, netted, tatted, knitted, crocheted, or knotted of fine thread, enclosed a bob of long hair on the back of the head or held it close to the nape. Modern hair nets, commonly in use where shed human hair may be undersirable, ar