Urethral play
Definition
Urethral play is a form of medically-oriented BDSM in which the submissive’s urethra is stimulated or gently dilated in a controlled manner using metal or silicone rods, known as dilators. The practice is known for its intense physical sensations and deep psychological impact. It is also referred to as dilator play or sounding.
See Dilator play for a full explanation.
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