She sees him looking at her, and swallows again. The cord flexes, stretching the living skin of her neck out for just a moment, and then relaxes, leaving nothing but smoothness and calm. She may just as well have caved his head in with a stone and tied his penis round a hitching-rail. The effect must be calculated. But apparently she has not ever done it to anyone else, or there would be a band of gold round her pale left ring finger.