What does a bandanna hanging from a rear-view mirror mean?

A bandanna hanging from a rear-view mirror often signifies that the driver is part of a specific subculture or community, such as motorcycle clubs or certain street gangs. It can serve as a symbol of identity or affiliation, conveying messages related to loyalty or style. Additionally, some people use bandannas for aesthetic purposes or to represent personal beliefs or interests. However, the meaning can vary widely based on context and location.