The image was a nice one. But he'd more than likely have two leashes, one for each sex, and they could fight over the scraps or which outfit to please their master with. Oh Pearl was just feeding his need to control with that vision and if she wasn't careful he'd end up taking it a little too literally in time.
"I don't forget. I just want you to try and impress me more than you did last time," he smirked. A challenge always seemed to give girls some incentive to writhe more and shake their assets. He wanted to see if Pearl would take this bait. As soon as they were in a big enough space (which was tricky in these tunnels) Will started his usual routine of writhing his body and making faux-sexual shapes whilst keeping the woman close.