" I pulled out a coin and flipped it "Call" I said "Heads" came the reply to which we both laughed for a minute or two before revealing of course it w...s heads. Dave said "You not got a winning streak today have you. Come on get it over with." He then lay on his back as I started to fondle his cock, it grew bigger and bigger. It must have been at least 8" "Go on suck it." he said I wondered if he wanted this to happen. I slowly put my tongue on the bulbs head of his cock and began to lick the. So I decided I needed to taste it. I loved the way I tasted. So down I went to get more. Buster must have smelled my arousal because as soon as I went for more, he perked up a bit. By this time, my pussy ached. I never felt a feeling so intense to have something penetrate me before in my life. So I decided to remove my shorts, along with my panties. As I sat there, I explored some more, and that's when I discovered my clit. A jolt of pleasure went through my body as i rubbed and caressed my. As he pulled his pants down and took out his cock out he said, "your going to do what you're told." As she should her head. Gazing at his semi hard 8 inch large black cock reach out her hand and she began stroking his cock without him saying to do so. He looked at me while she jerked him. "Listen faggot. I don't want to hear a word out of you. Don't you move or nothing."My wife continued to stroke him as his black cock grew to it's full length of 10 inch's. He grabbed the back of her head,. Finally Jane had to stand up to prevent herself having an orgasm there and then. Davinia whined desperately and got a mild shock for her pains. The collar was still active. As she flinched with pain, Jane suddenly realised she had forgotten to switch it off. Shegrinned guiltily to Beverly and Vicky then apologised to Davinia. "I'm sorry darling. I forgot." With that she flicked the controls and then hung the 'Zapper' behind the bathroom door. The girls exchanged knowing grins when.