Urethral sounding is a form of sexual play that involves inserting a thin sex toy, known as a sound, into the urethra. Proponents of this sexual practice claim that it can help heighten pleasure and ...

Also called “cock-stuffing,” “urethral sounding,” or sometimes “catheter fetish,” sounding falls under the larger umbrella of “medical play,” and involves inserting a sound (a long, thin rod, often ...