1. In cold climates, people wear thick wool knit scarf to keep warm. Where the climate is dry, dusty, or where air pollution is severe, people can wrap a thin scarf around their heads to keep their hair clean. Over time, this habit has become a trendy dress for women in many cultures.
2. In some countries, the preparation of clothing such as scarves is a common trade commodity.
3. Scarves of various colors are also used by some Australian football fans.
4. The name of the supporting football team is printed on the scarf, and fans will show their waving in the audience and cheer.