They knew they had been caught, and thanks to them being over 18, it was perfectly legal for their parents to enslave them. Sarah looked to her siste..., and saw in her eyes the same knowledge. Humbly, she spoke to her father. ?Very well daddy. Julie and I will submit to you and mother as your ponygirl slaves. Do with us as you see fit.? Sarah watched as her father lifted out of a box a replica of a harness she had designed for ponygirls. It was colored differently than she had. I looked up to see her nipples stretch with the pull, then relax as the sub realized she should not move.The dom started stroking her strap on slowly in and out of her sub's pussy as she attacked her with the vibrator. I saw the subs' legs begin to spasm as she shook through her moaning, trying to keep from cuming. She threw her head from side to side, her eyes closed as she was lost in pure pleasure. "Mistress, please, I need to cum," she cried through her spasms.In response, the dom reached. They begged their parents if they could go out on the open water and try it out and their parents gave in but warned them not to go too far out and ring them all the time. They promised them they will and kissed them both. Gina and Luther excitedly got some bags together and then got into the yacht and Luther was at the front turning the wheel as they sailed from the harbour with their parents waving. Gina waved from the upper deck in a bright pink bikini, which she got herself all settled. Inevitably, the big man's sure fingers found their way higher, one of the tips inspecting the full length of the moistened crack. Chloe groaned throatily as her slippery labia were teased apart and the roving digit entered the warm recess. In actuality, Big Col's finger wasn't that much thinner than some cocks, the rounded top reminiscent of a cock head. The walls of Chloe's pussy stretched to accommodate the entry before clamping snugly around the intruding digit. She let out a lustful moan as.