Mistress 1.... "Awww.... sissy love! Don't they make a cute pair?"
Mistress 2.... "They do, only I cannot but wonder who in the bedroom will be on top."
Mistress 1.... "Well, that's simple; they would lie down, sixty-nine, and suck each others clitties."
Mistress 2.... "Let's see. We'll put them together on the bed and watch...."