Kneeling before her, the submissive's breath hitches as the Femdom queen presents the chastity device, a wicked gleam in her eye. "This will keep that naughty little cock in check," she murmurs, running the device along his trapped erection. With a smirk, she secures it, twisting the lock until his eyes water and his balls ache. "There, that's what I call a tight fit," she laughs, patting his cheek as he struggles to adapt to his new, frustratingly snug confines.