Down in the dungeon, the slaves were being instructed in the proper oral techniques. One long wall of the training room was set up for this. A dozen rubber phallus’ were affixed to the wall, at roughly waist height, projecting out into the air. The slave girls knelt in front of them, kept there by a short chain that ran from each girl’s collar to a staple in the wall just below her assigned prong. Besides that, and the shackles they wore on their hands and feet, the girls were completely naked.

 A trio of men stood in the room, pacing back and forth behind the slaves, watching and judging them on their oral skills. Under the stern and keen eyes of the slavers, the girls bent to their task, taking the rubber prongs as deep in their mouths as they could, licking, slurping and sucking for all they were worth. Well, all but one…

 Amongst the steadily bobbing heads, the short-haired blonde stood out. She knelt, facing the wall and its phallus, the chain locking her in place stretched taut as she tried to keep as far from it as possible. Her lips remained firmly closed, as if to deny even the possibility that the awful prong would ever be inside her mouth.

 “Heh...there’s always one…” One of the trainers, an older man named Smith, said, shaking his head. He gestured to another slaver, a younger man named George. “Snatch team brought this one in yesterday, business-woman or something they grabbed in the parking garage. Just another slave now, but she hadn’t got the memo just yet.” The woman in question turned her head, glaring up at the men with a sour expression.

 “Now watch this!” Smith said, reaching to his belt for a small remote. He pointed it towards the reluctant slave and pressed a button. At that instant, she let out a loud yelp that echoed in the dungeon. “Yeah, bet you hadn’t realized that’s a shock collar you’re wearing.” Smith told her. “And you’ll keep getting that till I see that rubber cock in your mouth!” He demonstrated this by pressing the remote again, sending another electric shock into the helpless woman.

 Her second scream had barely faded when the frightened slave turned and lowered her head, wrapping her lips around the rubber plug  until half its length had disappeared. Small, frantic noises escaped her mouth as she gagged against the intruder pressing against the back of her throat.

 “See…” Smith said to George nodding. “An important lesson…” He gestured to the other slaves who, seeing their fellow captive punished, had doubled their efforts. “I always say, pain is the best teacher.”