Cock of the Walk   My girlfriend Kristi came over Friday night. Just a girls night in, to hang out, talk about hot girls we both like, and surf the net for lez porn. We both love SapphicErotica.com the best, and LittleMutt.com is really fun, too. But Kristi had never seen Alsscan.com before, and the totally shaved girls there are barely 18 and are always encouraged to go bi or lez in their modeling shoots. So I knew Kristi would enjoy it as much as I do.   At some point, once we were both beyo...