Oh really? I'm not sure you are sincere.
Beg me to let you humiliate yourself. Plead with me as pathetically as possible. Say things like "Please mistress, let me fuck my ass! I want to eat my own cum and taste my own ass! I will stick whatever you ask me to into my mouth and ass! I will do anything for you Mistress Anita!"
Beg some more slut! Beg me for two whole minutes, sometimes looking into my eyes and sometimes with your head in the floor.
If you can't convince me that you are desperate to let me humiliate and abuse you, you will not pass this audition.