I have a sissy bitch in the black box, in training for sucking cocks. I invited Mistress Tess and Mistress Kennya to help train the bitch better. We knock once so that the bitch knows to approach with his mouth at the hole, and We take turns fucking his mouth. We take him out of the black box to inspect his outfit. After fucking his mouth some more, We decide it is not good enough to satisfy Our three cocks, so We try out his sissy-pussy. We find this to be much better, so We put him back in the black box and decide on a new rule; 1 knock for fucking his mouth; 2 knocks for fucking his sis... Show more