An owner commands his kneeling sub through a humiliating challenge of endurance and nipple torment.

The door clicked shut behind you, a sound that echoed in the quiet apartment. His key settled into the bowl on the entryway table with a soft clink. That was the only sound, besides youjr own heartbeat pounding in your ears. He didn’t speak. He simply stood, taller and broader than you remembered from the evening’s cocktail party, and looked at you with a calm, assessing gaze. His eyes were dark, focused.