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.

Continued here:
Bitchfest

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.

Link:
Cage of Chains