He is so lucky to have such a beautiful strong mistress. When a enrich cuck balls dry up and is to small and limp to satisfy anyone then our only alternative is to serve miss in anyway she see fit. At least he is lucky enough that mistress would give him anal pleasure and a opportunity to orgasm before she goes out.
i'm pretty sure thats apart of the scene. at the end of the video his feet are clean and theres no towel on the floor. at the beginning his feet are dirty and theres a towel. theres plenty of camera cuts so they probably stopped recording to get his feet dirty to give the illusion he really lives in a cage and spends his time being a slave. You can tell by the dialogue at the end that that is the true beginning