This pump is a tried and tested penis enlargement device, it will help U achieve the penis growth you've always desired. Not only is it a highly recommended simple, effective way of enhancing the size of UR penis in both length & girth It is guaranteed to give you the confidence you've always dreamed of without any side effects. It is very easy to use. How does the Handsome up Penis Pump work? This Penis Pump uses air to increase D size of UR penis. It has a bulb and cylinder connected by a thin rubber tube. D cylinder is attached to a lubricated sleeve. Place this sleeve over your penis then steadily pump the bulb by hand. When D bulb is pumped, air is pulled out of D cylinder, creating a vacuum. This vacuum helps draw more blood into the penis, strengthening its tissue, which will cause an erection & results in an increase in penis size