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Knot-Knot Silicone Urethral 3 Piece Plug Set by NANMA

$24.99
$24.99

Featuring three graduated sizes and body-safe silicone, Nanma Knot-Knot Urethral Plug Set creates intense sounding sensations with tapered shafts designed for controlled exploration and progressive insertion.

Key Features:

Graduated three-size system guides safe progression through urethral sounding exploration

Medical-grade silicone eliminates bacterial growth and irritation during internal stimulation

Tapered shaft design creates gradual opening sensation rather than sudden intrusion

Rounded bulb tip concentrates pleasure at your cock's most sensitive nerve clusters

Boilable construction allows complete sterilization between every solo session

SKU: NEW-10589-BLACK
Availability: In stock
Product type: Urethral Sounds
Please hurry! Only 6 left in stock
Colour: Black

Start your urethral sounding journey with three graduated silicone plugs designed for safe, comfortable exploration. Each tapered plug glides smoothly into your urethra, building sensation from the inside out and transforming how your orgasm feels.

Why choose the Knot-Knot Silicone Urethral 3 Piece Plug
  • Graduated sizing: Begin small and progress at your own pace
  • Body-safe silicone: Non-porous, hypoallergenic, and smooth gliding
  • Tapered design: Natural pressure builds gradually as you insert deeper
  • Warming sensation: Silicone holds body heat for tingling contact
  • Secure handles: Bulbous 20mm grip prevents accidental loss
  • Easy care: Clean with warm soapy water or boil for sterilisation
  • Unique orgasms: Waves of pleasure radiating from your core outward
📦 Discreet plain-wrapped delivery  •  💳 Private billing  •  ↩️ Easy size-swap returns

What it does

Sliding a plug into your urethra creates direct contact with some of the most sensitive nerve endings on your penis. Your cock responds by flooding with blood as pressure and fullness build with each millimeter of insertion. Unlike metal sounds, silicone holds your body heat and creates a warming sensation that makes your shaft tingle. Pleasure radiates outward from the center of your dick throughout your whole body in a steady, building arc rather than a sudden spike.

Once fully inserted, the plug creates increasing internal pressure that transforms your orgasm into waves rather than a single peak. Many men experience longer climaxes with deeper contractions when a sound sits inside during ejaculation. Urethral Sounds work by combining external stroking with internal fullness, layering sensations in a way that unlocks a completely different type of arousal.

Specifications

  • Sizes included: Small (6mm), Medium (8mm), Large (10mm) diameter
  • Insertable length: 50mm per plug
  • Material: Medical-grade silicone, non-porous and hypoallergenic
  • Handle width: 20mm bulbous grip
  • Surface: Matte finish for secure grip and handling
  • Sterilisation: Can be boiled; clean with warm soapy water or toy cleaner

Size and first use

Start with the smallest plug—your urethra needs time to adjust to this new sensation. Begin with a full bladder and empty bowels so your body is properly positioned. Sit comfortably, lube your cock's opening generously with quality water-based lubricant, and relax your pelvic floor by taking slow deep breaths. At Cockringshop, we specialise in products for men and couples exploring new territory safely, so take your time. Never force the plug; let gravity and gentle pressure do the work. Once the tip enters, pause and feel your penis adjust before continuing deeper.

How to use it

Angle the plug straight into your urethra and allow it to settle inside for a few minutes while your dick acclimates to the fullness. Once you're comfortable, experiment with gentle rocking motions—pull back slightly and push forward in slow rhythms that match your breathing. Use your other hand to stroke your shaft while the plug sits inside, combining internal and external stimulation to build arousal in a deeply layered way.

When you're ready to climax, the plug's presence transforms your orgasm into something that feels like it originates from your penis's core and radiates outward with serious force. After use, clean the plugs with warm soapy water or a dedicated toy cleaner. For complete sterilisation, boil them between sessions.

Feature breakdown

Feature Specification Benefit Experience
Tapered shaft Graduated from tip to base Pressure builds gradually as you insert Controlled, comfortable progression deeper inside
Silicone material Medical-grade, non-porous Holds body heat; smooth gliding without drag Warm, tingling sensation with each movement
Three sizes 6mm, 8mm, 10mm diameters Work at your own pace from beginner to experienced Safe exploration without jumping to larger widths
Bulbous handle 20mm grip width Prevents accidental loss or deeper insertion Confidence and control during use

Who it suits

This set is ideal for men who've already explored basic cock play and want to venture into urethral territory with a graduated system. If you've ever wondered what it feels like to fill your penis from the inside out, or if you're looking to unlock a completely different type of orgasm, this is your entry point. Experienced sounders can also jump straight to the larger plugs if they're already familiar with urethral contact.

Skip this set if you're not comfortable with direct urethra contact or if you have any active urinary tract infection or inflammation. Always prioritise your body's signals—urethral play requires patience, plenty of lubrication, and a willingness to stop if anything feels wrong.

Tested and quality-checked

Every new line we stock is inspected by hand before it goes live — we check the build, the finish, and the materials, and we confirm it is safe and fit for how it will be used. Nothing is used for its intended purpose; it is examined, checked, and re-boxed. What that means for you is simple: you receive a piece we have already vetted, not a guess off a supplier's pallet. See how we test every product →

How it compares

Silicone plugs flex slightly with your body, offering a gentler, warming sensation than rigid metal sounds. Metal conducts temperature and feels colder initially, while silicone holds your natural warmth. Urethral Insert Cock Rings combine a ring around your shaft base with an internal sound, whereas this set focuses purely on internal sensation. Choose silicone if you want a graduated, comfortable introduction; choose metal if you prefer rigidity and temperature play.

Please read — safety first. Put the ring on before you are fully erect and use plenty of water-based lubricant so it slides on without pinching. Keep wear time short — no more than 20 minutes while you are getting used to it, and never fall asleep wearing one. Take it off straight away if you feel numbness, coldness, a change in colour, or any pain, as these mean blood flow has been cut off too far. Never share between partners without cleaning the item first or using a fresh condom. This information is general in nature only and is not medical or professional advice, and does not take your personal circumstances into account. Stop use and speak with a qualified medical professional if you have a relevant health condition, take medication for erectile function or blood pressure, or notice pain, numbness, or discolouration that does not settle.

What you can use it with

Pair this plug set with Anal Sex Toys to combine internal stimulation across multiple zones during partnered or solo play. While your urethra is filled with a plug, prostate play or anal penetration adds another layer of sensation and can intensify your orgasm significantly. The combination of internal pressure points creates a more complex, full-body experience than either alone.

More from NANMA Corporation

NANMA Corporation designs a full range of urethral sounds, cock rings, and male enhancement products for men and couples. Explore the complete Nanma Corporation collection to find other graduated sets, alternative materials, and complementary sex toys that suit your preferences.

Read more before you buy

If you're exploring urethral play for the first time, the Adultsmart blog offers detailed guidance. Check out Urethral Sounds For Women for broader context on how different bodies experience this type of play safely.

Why buy the Knot-Knot Silicone Urethral 3 Piece Plug Set by NANMA

Ready to find a ring that actually fits? Order the Knot-Knot Silicone Urethral 3 Piece Plug Set from The Cock Ring Store today—it's genuine, function-tested, and quality-checked before dispatch. Cockringshop ships discreetly in unmarked packaging so your order arrives private and secure. The specialist store for rings, cages, and male enhancement — discreetly delivered. The Cock Ring Store ships discreetly Australia-wide.

Shipping Information & Policy


Cockringshop.com.au ships with Australia Post. We ship from Sydney.

All in-stock orders placed before 12pm AEST (Sydney Time) on business days are generally processed on the same day. Packages are usually received 1-6 business days after shipping, but may subject to any postage carrier related delays beyond our control.

Free standard shipping on orders shipped within Australia above $200. For orders below $200 standard shipping within Australia is $12.95 and will be added at checkout.

Orders addressed to P.O box, G.P.O box or Parcel Collect will be handled by Australia Post. Extra time should be allocated for these orders.

Shipping Transit Times (Including Free Shipping)

Shipping time refers to the estimated time that it will take to deliver your order after it’s ready to ship (Please note this does not include time to process your order). Shipping time does not commence after your order is put through but begins the moment your order has been processed and is ready to dispatch via the our freight carrier..

1. Major City & Metro Areas (within Australia)

All in stock orders are generally processed on the same day the order was placed on business days for orders received before 12pm. Generally, orders are processed and shipped the same day or next business day.

Orders are typically received 1-6 business days after shipping. For larger packages please allow an extra 1-2 business days for delivery.

If no one is available at your delivery address to accept your order a second delivery may be scheduled or you will be notified that your order can be collected from the nearest depot location.

2. Rural Areas (within Australia)

All orders are generally processed on the same day the order was placed on business days before 12pm.

Generally, orders are processed and shipped the same day or next Business day.

Packages below 2kg are usually received 3-6 business days after shipping. For larger packages please allow an extra 1-2 business days for delivery.

If no one is available at your delivery address to accept your order a second delivery may be scheduled or you will be notified that your order can be collected from the local Australia Post depot.

International Shipping

The price for international shipping is AU$12.95 for orders equal to or below 0.399kg (399grams), and AU$22.95 for orders with a total weight equal to or above 0.4kg (400 grams).

All in-stock orders placed before 12pm AEST (Sydney Time) on business days are generally processed on the same day. Packages are usually received 6-30 business days after shipping. 

If no one is available at your delivery address to accept your order a second delivery may be scheduled or you will be notified that your order can be collected from your nearest delivery depot.

Please note in regards to all orders

– These expected delivery dates/times are based on carrier shipping practices, your destination, and the items in your order.

– Expected delivery dates are estimates. Orders can be delayed due to fraud verification or the time of the order being placed. Items that are not regularly stocked cannot be held to the expected delivery dates.

– Orders may be delivered in separate shipments.

– The order cut off times are based on normal Business Hours and exclude weekends and Holidays: Monday – Friday 12 pm

– When your order ships you will receive an email from us with a link to track your order.  If you receive your tracking number before 6 pm (AEST) it may not be updated on the Carrier’s website until that evening.

Due to large amounts of online credit card fraud, all orders are subject to approval by our payment verification department. We will notify you by phone or email should your order be delayed.

Returns Policy


We have a 14 day return policy, which means you have 14 days after receiving your item to request a refund for any defective products.

Returns and exchanges are only available for faulty items, goods not as described, or in some instances, for incorrect sizing.

Due to health and safety regulations, cockringshop.com.au cannot resell any returned or exchanged products.

This policy is in place to prioritise your well-being and ensure that you receive the highest standard of hygiene and quality in all products.

To be eligible for a refund, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging.

You’ll also need the receipt or proof of purchase. We do not issue refunds for change of mind or incorrect choice.

Under Australian Consumer Law, we are not obliged to accept returns for “incorrect choice” or “change of mind” so please choose your products carefully.

Any freight and insurance costs to return the item to us are at your expense. This includes the liability for any lost freight – send via registered post.

If your return request is accepted, we will provide you with all instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.

Damages and issues

Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.

Exceptions / non-returnable items

We do not accept returns for any products that have change of mind, damaged products, or for products that have been used or do not have their original packaging.

Please get in touch if you have questions or concerns about your specific item.

Unfortunately, we cannot accept returns on sale items or gift cards.

Refunds

We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method within 7 business days.

Please remember it can take some time for your bank or credit card company to process and post the refund

Frequently Asked Questions

What is the Nanma Knot-Knot Silicone Urethral 3 Piece Plug Set and what type of sounding toy is it?
Medical-grade silicone urethral plugs designed for internal penis stimulation through graduated sizes. This three-piece set includes small (6mm), medium (8mm), and large (10mm) diameter plugs with tapered shafts that glide into your cock's opening. Each plug features a rounded bulb tip and secure handle, letting you progress safely at your own pace while discovering internal sensations completely different from external cock play.
Does the Nanma Knot-Knot Silicone Urethral 3 Piece Plug Set create longer, more intense orgasms than traditional masturbation?
Most wearers report significantly deeper climaxes when using these plugs during solo sessions. Internal pressure from the tapered design builds arousal in waves rather than explosive spikes, typically extending orgasm duration and intensifying contractions throughout your entire shaft. Combining the plugs with hand stroking layers external and internal stimulation simultaneously, creating a full-body climax sensation that feels like it originates from your cock's core outward.
Are the plugs in the Nanma Knot-Knot Silicone Urethral 3 Piece Plug Set safe for regular use without medical complications?
Body-safe silicone construction eliminates bacterial growth and irritation concerns when used properly with quality water-based lubricant. Always start with a full bladder, empty bowels, and gentle insertion—never force progression. In our experience selling urethral toys, customers who respect their body's limits and follow basic hygiene protocols use these safely for years without complications or sensitivity issues.
Which size should I start with in the Nanma Knot-Knot Silicone Urethral 3 Piece Plug Set if I've never tried urethral sounding before?
Begin with the small 6mm plug—it's designed specifically for first-time sounders exploring this territory safely. Its tapered design creates gradual pressure that lets your urethra acclimate without shock or resistance. Customers report feeling confident and comfortable with the small size, then progressing to medium and large plugs once they understand internal sensations and their own tolerance limits.
Can the Nanma Knot-Knot Silicone Urethral 3 Piece Plug Set be cleaned thoroughly between sessions to maintain hygiene?
Wash all three plugs with warm soapy water immediately after use, or sterilize by boiling for complete bacteria elimination. Matte silicone finish prevents lube residue buildup that catches dirt on glossy surfaces. After selling hundreds of these, customers consistently mention that thorough cleaning between sessions maintains freshness and eliminates any odor concerns, keeping everything hygienically ready for next use.

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We ship same day on all in-stock orders placed before 12pm! Free shipping on all orders above $200.

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All of our shipments come in discreet packaging ensuring those nosy neighbours will never know!

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We ship our full range of products worldwide with fast dispatch for orders before 12pm Sydney EST!