A Null Bulge - A type of chastity present in certain NSFW art in which the bulge of the subject is round, usually accompanied by a symbol of a lock. This is usually made of rubber, commonly latex, and stops the subject from cumming completely. Additionally it may heighten the subject's feeling of pleasure.
Commonly used in tandem with dronification.
Commonly used in tandem with dronification.
by zoetbh December 4, 2021
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