Derek pulled out his cock, still mostly hard, despite the heavy conversation, and stroked it. As much as he wanted to take her like this, to fill her cunt with his cock and make her fuck herself against him through the bars, condoms were out of reach, and he wasn't about to risk it, after what had happened earlier that week.
He rose to his knees, his cock able to slip through the bars. "Come on then, little bitch," he murmured, encouragingly. "Show me how much you need my cock inside you. Open your mouth."