Scar 13

One slutty lezzy is captive of another, who uses her hands and mouth as well as devices on her. Clad only in black underwear, a woman is tied to a bed and squirms but cannot free herself. A dominatrix in a corset re-tied her so her butt is exposed and proceeds to whip her with a cat o nine tails

The rest is here:
Scar 13