Abstract: A method, apparatus and article of manufacture for a computer-implemented positioning system for perception management. On a computer system having one or more processors, perception management is performed using a plurality of visual representations stored in a database. The one or more processors and the database being coupled to the computer system. The representations include one or more particular visual representations as well as one or more other visual representations, each visual representation embodies cues, whereupon when viewed by humans, these related cues send signals that influence human behavior by synergistically triggering desired perceptions. Perception management is performed by outputting from the computer system to a user one or more of the particular visual representations on an output device coupled to the computer system.

Abstract: An elastomeric tubular sheath is secured over the user's penis having an operative end in a forwardly spaced position. A strainer is provided at the forward end having filtering means with openings sized to retain calculi but to otherwise allow the passage of urine therethrough.