Embodiments relate to systems and methods for the management and enforcement of blacklists of counterfeited, cloned or otherwise unauthenticated devices. In one advantageous method in accordance with the present invention, a masking material comprising a substrate and an adhesive disposed over a first face of the substrate is provided. The arrangement further comprises a device for adjusting collimator slots widths based on information retrieved from said database andor a position of said pedals.