Silicone corrugated urethral sound 8-10 mm × 24 cm

15,49 €
29,95 €
−48%

The largest and most stimulating in the range — undulations + 8-10 mm diameter for maximum urethral filling.

  • Progressive diameter 8 → 10 mm
  • Textured undulations along the entire length
  • 24 cm of soft, sterilizable silicone
  • Phthalate-free, hypoallergenic
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OUR EXPERT’S REVIEW
Jerome Guesne
Toy expert
140+ products tested
At 8-10 mm in diameter, the undulations become truly serious—each passing bump exerts far more pressure than on the 6-8 mm version. This is the most intense sound in the ALL BLACK range. A piece of advice: if you handle the 6-8 mm wavy sound well, move up to this one. But if you're still hesitant, stick to the 6-8—2 mm more in the urethra is no joke.

The large-caliber sounding rod in the ALL BLACK range—and it's wavy. From 8 mm at the entrance to 10 mm at the deepest point, this sound combines progressive stretching and textured stimulation for intense filling sensations. Reserved for users who have already mastered intermediate diameters.

8 to 10 mm: the diameter that builds the pressure

The 8 mm tip slides in effortlessly if you're used to this caliber. Then, each centimeter inserted stretches a little more—up to 10 mm deep. This gradual increase creates growing internal pressure that stimulates the entire length of the urethra. Combined with the undulations, the sensation is incredibly precise: you feel each bulge pass, and the deeper it goes, the more intense it becomes.

Waves along the entire length

Like the 6-8 mm version, the rod features successive bulges made of soft silicone. But on a larger diameter, the effect is amplified—each bump exerts more pressure on the urethral walls. The back-and-forth motion becomes a rhythmic game of sensations, impossible to replicate with a smooth sound. The smooth upper section allows for control over insertion depth.

Medical-grade, sterilizable silicone

The sound is entirely made of black, flexible, and non-porous silicone. It can be sterilized by boiling it for 3 to 5 minutes before each session. Phthalate-free, hypoallergenic, compatible exclusively with sterile, water-based lubricant. The flexibility of silicone forgives micro-movements—much more forgiving than metal for deep explorations.

Silicone
Material
24 cm
Dimensions
40 g
Weight
Advanced
Intensity
Our expert's summary
Recommended for
Experienced usersBDSM sessionsExtreme sensations
Stimulation
GlansEntire shaft
Compatibility
Water-based lubricant
Silicone-based lubricant