Corners and protruding edges hold a strange attraction, promising a kind of pleasure men can never experience. Desks, chairs, binders, telephone receivers, computers, mice, pump nozzles, glasses, lamps, massage tables, zippers, pens, guitars, vases, lint-roller handles, phones, mugs, bottles and decorative objects all become masturbation tools. The possibilities are enough to make these women lose control—including the baffling sight of someone squirting with a pair of glasses.