"Liberty Caps started appearing on Stilyagi and their girls; Simon Jester began wearing one between his horns. Bon Marche gave them away as premiums. Alvarez had painful talk with Warden in which Mort demanded to know if his fink boss felt that something should be done every time kids took up fad? Had Alvarez gone out of his mind?-The Moon is Harsh Mistress by Robert Heinlein.
I ran across Slim Lemke on Carver Causeway early May; he was wearing a Liberty Cap. He seemed pleased to see me and I thanked him for prompt payment (he had come in three days after Stu's trial and paid Sidris thirty Hong Kong, for gang) and bought him a cooler. While we were seated I asked why young people were wearing red hats? Why a hat? Hats were an earthworm custom, nyet?
He hesitated, then said was sort of lodge, like Elks. I changed subject."