I have no sexual attraction for the pig I am using for a toilet but it is still useful to get him sexually excited in order to make him more compliant and entertaining. I order the slave to lick my ass as I remind it that this is its place in life, the fulfillment of its existence. It must not forget to lick my ass even as it jerks in pain from my whipping its balls. Its helpless begging brings a beautiful smile to my face, as does the lovely feeling of its enthusiastic tongue up my asshole. In anticipation of its disobedience I have tied its balls tightly so that, if need be, I can cut them off. I use the vibrator on my pussy as I shit on my slave. I have an orgasm while the shit plops on the slave's face. A few drops of white cum land on its face.