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 ...
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 ...
4d
Interesting Engineering on MSNScientists develop new thin film-based vacuum pump that could replace bulky motorsGerman researchers at Saarland University and the Center for Mechatronics and Automation Technology (ZeMA) are working to ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results