[m4f][OC][msub][chastity][vibrator][edging][denial][nipple play][clamps][humiliation] After a week of chastity, a sub is desperate to for any kind of pleasure or stimulation. "Lucky" for him, his Mistress is willing to compromise...by teaching him the joys of a vibrator. Of course, he must pay for the lessons by submitting his nipples to some torment. To help him embrace this new type of pleasure, she introduces a slight change in his regular mantra. One that will evolve the nature of his submission.