Many trans men or transmasc people use pumps to encourage ... boosting effects of pumps are only temporary. A penis pump is “a vacuum device that creates a suction effect to increase and ...
The pump creates a vacuum, which draws blood into the penis to create an erection. You then place a constriction band at the base of the penis to maintain the erection. The band can be left on for up ...
German researchers at Saarland University and the Center for Mechatronics and Automation Technology (ZeMA) are working to ...