Abstract: In contrast to exiting flow-restricting penis encircling rings applying a single selected pressure as determined by their size and construction material, there is provided a pressure-applying device to counter venous leakage having an operating mode of making available a range of pressures so that a user can select a pressure from the range, prior use of the device, as might be determined from trial and error that is most effective for his artery system, all to the end of maintaining an erectile penis condition.