"John, you can pull on that butt plug all you like - it's locked in and this key is the only one that will release you. Now, if I press this button here ..."
"Ahhh it's vibrating!"
"And you will find sending little electric shocks right into your man G-spot - nice? Now, carry on dressing of this isn't coming out. If you are a good girl I'll turn it on again and let you cum."