There was one I saw years ago, and I can't find it anymore because I don't know the name of the movie or girls in it. Maybe somebody knows.
It starts off with a blonde laying nude on a bed, and an asian girl walks in, and begins kissing her butt, and then commences to lick her asshole for a good 10 minutes. The blonde then wakes up and drags the asian girl to a cage, and puts her in it. Once the asian girl is in this cage, the blonde puts her ass up to the cage and gets the asian girl to continue licking her ass.
Was amazing, watched it almost everyday.