at the corner of the full and sensuous lips , the gunslinger could see the wink of a single sharp ( t u s k ) tooth , and he thought the lips of the drawing might come to life and part as he looked , revealing a mouthful of fangs : one mere wink of white ( which was only a bit of unmarked paper , after all ) made the imagination see all the rest , and even to smell the reek of meat that would accompany each outflow of breath .