Callisto's lips spread with great amusement as he stuttered. It was an amazing feeling. She hadn't brought him to say anything just yet, but for a creature intent on driving a bargain, for a creature intent on maintaining his poise and control... nothing was more delicious to Callisto than watching him struggle to maintain it. Anyone... when tied up... could simply be still. Be quiet, bitter and spiteful to their captor. It was often required to be relatively violent or cruel in order to gain a reaction from them.<br/><br/>Callisto loved the idea of being cruel without necessarily being  violent. It was not long before the fabric began to give way and the thick bulge was brought to light... open for her examination and the warmth radiating in an ambience of frustrated restraint.<br/><br/>"Now-... speak." she uttered as she let her right hand move up from his tender ball sack, feeling it tingle in her grip. Her fingertips, the nails grazing against the dark (almost-humanly) formatted member. Starting at the base, with a single teasing stroke, she let a lone index fingernail graze against the base of his member and travel up to the slightly folded peel of foreskin before flickering over it and having her fingernail reach the absolute smoothest part of his body she had seen thus far.<br/><br/><br/>(http://mikes-images.com/eps/sac1/images/sac1_mq_163sd.jpg)