Pumping is one of the first steps to exercise the erectile tissue and bring life back to the 'D'. This is the same for men with prostate issues as well. Studies dating back to the 80s show the benefit of vacuum erectile devices and penile rehab. Men who have prostate surgery or total prostatectomy should leave that clinic with a pump in hand and the knowledge that using it is mandatory if you want to maintain or regain function.⁠ ⁠ I go into this in a lot more detail in my YouTube video called: