No, TigerLady is nothing like Brass Knuckles. TigerLady is a hand-held claw that is used to rake bare skin in a scratching motion, and does not enhance punching. TigerLady's claws are based on those of big cats and will inflict damage. However, TigerLady is made from high-impact plastic and is not designed to inflict the same level of bodily harm as brass knuckles, which are heavy and can kill another person. TigerLady is only to be used in self-defense.