Um, remember my previous perverted ramblings where I was talking about humping a chicks butt and then laying a patch across the top of her ?  Well, this is what I was talking about:

I swear, most girls dig it. I think it makes them feel sexy that their butt is fine enough for you to rub on and spooge. Also, it makes them feel dirty and naughty enough that it is exciting, but without hassle of anal.