What are Vacuum Pumps?
Well, first of all let us get some knowledge on vacuum pumps. It is generally an external pump that has a band on it that helps a man to get his penis erected. It is fitted or attached to the end of the penis directly. There is a band that is situated at the other end and on a cylinder. It helps the penis to become erect and the erection is done or maintained by the band. It can be used for 30 minutes to get a sexual intercourse. This means you would be able to maintain a good sexual pleasure for 30 minutes. Harmful Effects Well as already mentioned people go for trying different things to make their sexual life a pleasure without having any good knowledge. So, when it comes to vacuum pumps, note that the erection of the penis is not done naturally but with the help of the instrument. This leads your penis to go purplish in color and it could also cause the penis to go cold as well as numb. This is a very harmful effect on your penis. Sometimes you might see some black as well as blue