https://mistress.scarlettbwilde.com/tag/sounding/
Sounding – Mistress B Wilde – Kink Purveyor
Also known as urethra play. Inserting a steel rod in the 'piss tube'.
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https://transecstasy.com/transsexual-angel/extreme-ts-on-ts-anal-and-sounding-kink/
Extreme TS-on-TS Anal and sounding kink - Transecstasy
Dec 25, 2021 - Extreme fetish action featuring kinky transsexuals Natalie Mars and Lianna Lawson who insert medical rods into their urethras! Then they lick each other’s...
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https://www.grindr.com/blog/sounding-kink
Sounding Kink: Benefits and Risks of Urethral Sounding | Grindr
You hear that? That’s the siren call of the sounding kink — a misunderstood sex act involving the urethra. We’re here to help you understand.
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