Alex W. sent in a 1972 ad for Weyenberg Massagic shoes (a version of which was reprinted in Ms. magazine in 1974, after appearing in Playboy). The ad uses subtle imagery and text to imply that if men buy the right footwear, women will be so entranced that they will remain in their natural habitat, the floor (more specifically, as reader Jamie points out, at your feet), just for the chance to gaze at the beautiful product: