Vacuum pumps have been around now for many years and are usually sold through ‘sex’ shops and if used correctly can produce a temporary enlargement due to the ‘vacuum’ effect, however they will certainly not permanently enlarge the penis.
Vacuum pumps work by removing the air from the cylinder enclosing the penis and the blood and tissue expand to fill some of the space.
These pumps have been known to cause severe bruising, deformation and lumps and have never been proven in any trial to actually permanently enlarge.
These devices have recently made a comeback thanks to the Internet and the S&M scene where they are used as a means of penis torture.
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