The method and system according to a preferred embodiment of the present invention allows ensuring consistency of the PNR record when it is handled within the subsystem controlled by the reservation interceptor module and including a plurality of OBEs. The method includes initiating a game on at least one of a plurality of gaming machines associated with one another and arranged in a circular bank. Structures for detecting open circuits and short circuits are described. When in an in-use configuration, such as when the sheath is installed over a medical or dental instrument, the cable cover segment may define an outside-out position and extend longitudinally with respect to the instrument cover segment.