They used the names of real stations that, in the context of underwear, appeared to be mild sexual double entendres: men's underpants bore labels with "Rohrdamm" (pipe dam), "Onkel Toms Hütte" (Uncle Tom's Cabin), and "Krumme Lanke" (crooked lake); the women's had "Gleisdreieck" (triangle track), and "Jungfernheide" (virgin heath).