Knot-Knot Silicone Urethral Plug Set By Nanma Corporation

Urethral exploration demands graduated progression to avoid tissue damage and discomfort. The Nanma Knot-Knot Silicone Urethral Plug Set solves this with three precisely sized pieces that allow your urethra to adapt naturally, moving safely from 6mm to 10mm as your body adjusts.

What it is

The Nanma Knot-Knot Silicone Urethral Plug Set is a three-piece sounding kit designed for controlled urethral exploration through graduated progression. Each piece features a rounded spoon-shaped tip that guides insertion smoothly while the tapered shaft transitions gradually from narrow to wider diameter. This design respects anatomical sensitivity by allowing natural adaptation rather than forcing sudden expansion of delicate tissue. Body-safe silicone construction is non-porous and hypoallergenic, resisting bacterial growth and maintaining its finish through repeated use without developing rough spots or degradation.

Hygienic material enables thorough cleaning between sessions, supporting safe long-term practice. The matte silicone surface provides secure grip control during careful insertion and withdrawal without requiring excessive pressure on sensitive tissue. See the full BDSM Australia range of Urethral Sounds.

Key features

• Three Graduated Sizes: Diameters progress from 6mm to 8mm to 10mm, allowing your urethra to adapt naturally across multiple sessions without forcing rapid expansion.
• Spoon-Shaped Tips: Rounded design guides insertion smoothly while reducing pressure on sensitive urethral tissue during careful penetration and withdrawal.
• Tapered Shafts: Smooth transition from narrow to wider diameter helps tissue adjust gradually, making each size increase feel manageable rather than shocking.
• Body-Safe Silicone: Non-porous, hypoallergenic material resists bacterial growth and cleans thoroughly with warm water and mild soap for safe repeated use.
• Secure Grip Control: Matte texture provides reliable grip during insertion and withdrawal, letting you control pace and depth with precision and confidence.

Specifications

• Diameters: Three pieces measuring 6mm, 8mm, and 10mm with proportional shaft lengths designed for graduated progression.
• Material: Body-safe silicone, non-porous, hypoallergenic, resists bacterial growth and maintains structural integrity through repeated use.
• Surface Finish: Matte texture provides secure grip control during insertion and withdrawal without slipping during careful urethral play.
• Tip Design: Rounded spoon-shaped tips guide insertion smoothly while reducing pressure on sensitive urethral tissue during penetration.
• Package Contents: Three graduated sounding tools with care instructions and storage recommendations for safe long-term maintenance.

How to use a urethral sound

Clean all three pieces thoroughly with warm water and mild soap before first use and between each session. Apply generous water-based lubricant to the smallest 6mm piece and your urethral opening to ease insertion. Relax completely and guide the rounded tip slowly into the urethra, allowing your body to adjust to the sensation. Hold the piece gently in place for several seconds before withdrawing slowly. Wait several minutes between sizes to let tissue fully recover before progressing to larger diameters.

Progressive sounding over weeks allows your urethra to gradually accommodate larger diameters, enabling exploration that would be uncomfortable if attempted without gradual conditioning. Combining urethral sounding with other forms of stimulation intensifies sensation for those exploring layered pleasure experiences. Pairing this set with Urethral Stretcher tools creates additional options for advancing your practice. Each session should feel controlled and comfortable—never force progression or skip rest days between size increases.

Care and storage

After each use, rinse all pieces thoroughly under warm running water to remove lubricant residue completely. Clean with mild soap and soft cloth, paying special attention to rounded tips and tapered shafts where lubricant accumulates. Allow each piece to air dry completely on a clean towel before storing in a cool, dry location away from direct sunlight. Store separately from other silicone products and inspect regularly for surface changes before use.

Learn more

Understanding urethral anatomy and proper technique deepens your confidence and safety during exploration. Read our guide to Urethral Sounds For Women for detailed anatomical information and best practices. Combining knowledge with gradual progression ensures your sounding practice remains both rewarding and safe.

Mistress Athena's training notes

By Mistress Athena — professional dominant and kink educator, sole instructor behind BDSM Australia's library of training videos. Read her full bio →

I have incorporated urethral sounding into my most intense training protocols for submissives seeking profound internal sensation and vulnerability. Beginning with the smallest 6mm piece establishes comfort and trust while I observe how submissives respond to initial penetration and the psychological surrender this intimate exploration demands. Breathing patterns shift as the rounded tip guides insertion, revealing the exact moment when resistance transforms into acceptance. This progression allows me to control the pace of both physical and psychological adaptation, building intensity gradually across multiple sessions.

Submissives who master the 6mm piece develop genuine confidence that translates into willingness to explore deeper sensations. I use the moment of insertion to reinforce my control, requiring complete stillness and obedience as the tool penetrates. The matte silicone grip allows me precise control during insertion and withdrawal, letting me slow or quicken movements based on their reactions. Involuntary muscle responses betray their vulnerability even when they attempt to maintain composure.

I employ the 8mm progression as a reward for submissives demonstrating genuine commitment to training, making advancement feel like earned privilege rather than forced expansion. Requiring submissives to insert the tool themselves under my observation intensifies their psychological experience of self-penetration under my command. I watch their hands tremble as they guide insertion, seeing the conflict between their desire to please me and their body's natural resistance. Using this moment to reinforce that their pleasure belongs entirely to me deepens their psychological attachment to the experience.

I introduce the 10mm piece only to submissives who have demonstrated absolute obedience and genuine desire for maximum sensation. Pairing sounding with cock rings creates extraordinary sensation as restricted blood flow intensifies every nerve response to the tool's movement. I structure sessions so progression becomes conditional on specific behaviors, using the possibility of advancement as motivation for perfect obedience. Submissives who reach this level develop profound psychological attachment, as the intensity creates neurochemical responses that reinforce their need for my dominance.

See this and similar tools in action across my 300+ training videos on the BDSM Australia channel.

How it compares

Why you'll reach for it

Browse the Nanma Knot-Knot set when you're ready to explore urethral sensation safely and progressively. Three graduated silicone pieces with spoon-shaped tips and tapered shafts allow your body to adapt naturally while you maintain complete control over pace and depth. Body-safe material cleans easily and maintains its finish through repeated use at BDSM Australia. Order now for discreet Australia-wide shipping and begin your structured journey into controlled urethral exploration. Service That Keeps Customers Coming Back.