They say "No man can serve two masters," but a woman can and in this case does serve two Mistresses. Various ingenious restrictive devices include a cage of chains and little prisons for her hands. When the one slave is strapped to another slave, the two must endure a bare hand spanking together. There is more torture in store for the luckless duo, too. After all, the question is what can TWO mistresses find to do to a slave ... or rather to TWO slaves? What can two fiendish minds think up? Well, let's see, there are tit clamps, suspension, spanking ... and there's more.