To be sure, in every town the lot was crawling with marks - but she had acquired the carney viewpoint; marks did not count - they might as well have been behind glass.  Jill quite understood why the girls in the posing show could and did exhibit themselves in very little (and, in some towns, nothing, if the fix was solid) without feeling immodest... and without being immodest in their conduct outside the posing show.  Marks weren't people to them; they were blobs of nothing, hardly seen, whose sole function was to cough up half dollars for the take.