Lady estelle & riding mistress bijou want test like estelles slave is suited for ponyplay. For that purpose they don't only put on him gag and reins, but also a tail plug, which him isn't allowed to lose. Because he is to poor to carry both ladies at the same time, either one rides him alone in both 4-legs riding and shoulder-riding, during he is been urge with spurs and switch from both, till he goes to bottom absolutely exhaust anytime.