In this intense BDSM session, a dominant mistress takes charge, preparing her new slave for a chastity device fitting. She commands him to strip, revealing his vulnerable, eager body. The femdom expertly inspects his cock, measuring it for a perfect fit into the cold, unyielding cage. She teases and humiliates him, making him beg for his imminent confinement. The slave's helplessness and her power over him are palpable as she secures the device, leaving him at her mercy.