A tool for abrading skin from keratinous surfaces comprising a closed loop of a certain circumference, said loop having an outer surface to which is affixed a continuous contoured abrasive surface covering at least a portion of the outer loop circumference, and a method for treating skin with such a...http://www.google.com/patents/US20060178676?utm_source=gb-gplus-sharePatent US20060178676 - Skin smoothing implement
