Why do the greasers use a slick comb?

The greasers use a slick comb to maintain their distinctive hairstyle, which reflects their identity and rebellion against societal norms. The slicked-back look symbolizes their tough, rebellious image and camaraderie within their group. It also serves as a way to assert their individuality and pride in their appearance, setting them apart from the more affluent Socs. Overall, the comb is a tool for both personal expression and group identity.