Also another thing that needs to be worked out is how you will cause the vacuum, will it be with a hand pump (like LG hanger), a ball pump (like the [words=https://www.internetzahlung.de/cc-aktuell/bestellung.php3?PID=PM0440A&Sprache=en]PMP[/words]), a hose that you suck the air out with your mouth (also like the [words=https://www.internetzahlung.de/cc-aktuell/bestellung.php3?PID=PM0440A&Sprache=en]PMP[/words] which many people say is way better than the ball pump), or some sort of built in pump (like [words=http://www.phallosan.com/shop/catalog/default.php?z=eNortjIxtVKyL0pNszWxMFcrSSxKTy2JL0hMT7U1UisoykyxtbBQSy4tLsnPjS8uKcrMS7dVsgZcMMpbEbo%2C]phallosan[/words] [words=http://www.phallosan.com/shop/catalog/default.php?z=eNortjIxtVKyL0pNszWxMFcrSSxKTy2JL0hMT7U1UisoykyxtbBQSy4tLsnPjS8uKcrMS7dVsgZcMMpbEbo%2C]forte[/words]), or something different all together...