You know those metal ball things that grow bigger proportionatly when you pull at them? One of these guys: If physically possible, they should make a phallic shaped one. This would really give the women a "hands on" approach of getting the EXACT size they want. I think length and girth it should be proportionate (not a fat dick nor a skinny one) but if the woman preffered a bigger girth than the length she chose, they could just take seperate measurements. I expect the Kinsey Insitution to give me big bucks for this idea.