I've been using the pump religiously on and off for about a year! I know How to not get injured using the damn thing! If you put too much pressure on your cock you can get a blood or water blister. Then there is no sex, no masturbation & no messing around with your penis till you heal up. Unless you're into that sort of self abuse.i'm not a masochist, so I take it easy with the thing,it's a gradual process. Like I said it's taking over year and my cock has grown More than an inch and a half in length! And now measures almost five fat inches in circumference! Do penis pumps work?, Fuck… Read more