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Hells Couture The Undy Waved Hollow Penis Plug with Hollow Core - Penis Plugs
Hells Couture The Undy Waved Hollow Penis Plug with Hollow Core - Penis Plugs
Hells Couture The Undy Waved Hollow Penis Plug with Hollow Core - Penis Plugs

Hells Couture The Undy Waved Hollow Penis Plug with Hollow Core

$29.99
$29.99

The Undy Waved Hollow Penis Plug offers controlled urethral insertion through its textured stainless steel design, featuring a hollow core for extended sessions and an integrated glans ring for secure positioning during intense play.

Key Features:

Waved stainless steel shaft provides textured urethral stimulation during insertion and movement creating intense sensations as each contour massages sensitive nerve endings along the entire penis length.

Hollow core design allows continuous fluid passage during extended wear enabling longer play sessions without removal while maintaining deep urethral penetration and stimulation throughout use.

Graduated diameter from 8mm to 10mm creates pleasurable stretching sensation accommodating various experience levels while providing secure fit and progressive intensity during urethral insertion.

Integrated glans ring ensures secure positioning during active play preventing slippage while adding visual appeal and enhanced sensation around the penis head for complete stimulation coverage.

Premium stainless steel construction enables temperature play possibilities allowing users to heat or cool the plug for varied sensations while ensuring complete sterilization for safe play.

Vendor: Hell's Couture
SKU: HCS-PP-230-SOUND-NOATTRIBUTES-WAREHOUSE-NONE-31234
Availability: Out Of Stock
Product type: Penis Plugs
Please hurry! Only 0 left in stock

The Undy Waved Hollow Penis Plug delivers precision urethral stimulation through its distinctive wavy texture while allowing fluid passage during extended wear sessions. This premium stainless steel device features graduated sizing from 8mm to 10mm diameter, creating controlled stretch alongside the textured ridges that massage your urethral walls with every movement.

What It Does

Each ridge along the wavy shaft creates distinct pressure points as you insert this hollow plug, sending focused sensations directly through your most sensitive internal nerve endings. The graduated diameter starts narrow for comfortable entry, then widens to provide that satisfying stretch as you work deeper. Unlike solid plugs, the hollow core lets you maintain natural functions during extended wear while keeping that constant internal presence.

The integrated glans ring secures everything in place, preventing accidental slipping while adding visual appeal to your anatomy. Temperature play becomes incredibly intense with the steel construction—chill it for shocking contrast or warm it for soothing heat that radiates through your entire shaft. Every thrust, movement, or even walking creates subtle shifts that remind you exactly what's filling you.

Technical Specs

  • Insertable length: 90mm for deep placement
  • Graduated diameter: 8mm entry expanding to 10mm
  • Premium surgical-grade stainless steel construction
  • Hollow core design for fluid passage capability
  • Integrated glans ring for secure positioning
  • Mirror-polished surface for smooth insertion

How To Use It

Start with thorough cleaning of both yourself and the plug, then apply high-quality sterile lubricant generously. Insert slowly, allowing your body to adjust to each ridge as you progress deeper. The graduated sizing helps your urethra accommodate the increasing width naturally—never force or rush the process.

Once fully inserted, the glans ring should sit comfortably behind your head, holding everything securely in place. The hollow design means you can wear this for extended periods without removal for natural functions. Remove slowly when finished, cleaning thoroughly with antibacterial soap and allowing complete air drying before storage.

Who It Suits

This plug works best for experienced urethral play enthusiasts who want extended wear capability combined with intense textural stimulation. The 8-10mm sizing suits most anatomies, though complete beginners should start with smaller diameter options first. Anyone interested in combining urethral play with other activities will appreciate the hollow design's practical advantages.

Avoid this if you have any urethral infections, recent piercings, or medical conditions affecting your urinary tract. The textured design creates more intense sensations than smooth plugs, so gauge your experience level honestly before committing to this advanced option.

Who Makes It?

  • Hell's Couture specializes in premium BDSM hardware crafted from surgical-grade materials
  • Visit the Hell's Couture brand page →

Feature Breakdown

Feature Specification Sexual Benefit User Experience
Waved Texture Multiple ridges along shaft Enhanced nerve stimulation Constant textural awareness
Hollow Core Full-length passage Extended wear capability Uninterrupted sessions
Graduated Size 8mm to 10mm diameter Comfortable insertion progression Satisfying internal stretch
Steel Construction Surgical-grade material Temperature play potential Luxurious weight sensation

Where It Fits in Our Range

Weighted Testicle Stretchers

While primarily a urethral device, The Undy's solid steel construction provides substantial weight that affects your entire genital area during wear. The mass creates downward pull that complements the internal sensations, making it popular among users who enjoy weighted accessories. This dual sensation profile bridges urethral and weight play categories.

Browse all Weighted Testicle Stretchers →

Torso Sex Dolls

Advanced users often combine urethral plugs with torso dolls for complete control scenarios. The secure positioning from the glans ring means vigorous activity with dolls won't dislodge this plug, while the internal stimulation adds another layer to extended play sessions. The combination creates comprehensive sensory overload.

Explore all Torso Sex Dolls →

Expert Review from Our In-House Tester

The Undy completely redefined my expectations for hollow plugs. I've used plenty of straight designs, but those wavy ridges create completely different sensations—each one hits different nerve clusters as you insert. The 90mm length reaches deeper than most plugs I've tried, while that graduated 8-10mm sizing prevents the overwhelming stretch some wider options cause. What impressed me most was wearing it for over two hours during a session. The hollow core worked flawlessly, never creating blockages or discomfort. The steel construction adds serious weight that you feel with every step, and temperature play becomes addictive once you experience how long the metal holds heat or cold. Removal revealed just how much texture those waves provide—every ridge creates distinct pressure as it exits. This isn't a beginner's plug, but for experienced users wanting extended wear with serious internal stimulation, nothing matches it.

Reasons to Buy

  • Wavy texture design — provides continuous nerve stimulation unlike smooth alternatives
  • Hollow core engineering — enables extended wear without functional interruption
  • Graduated sizing approach — ensures comfortable insertion with satisfying final stretch
  • Premium steel construction — supports temperature play while guaranteeing durability
  • Integrated security ring — prevents accidental loss during vigorous activity

Why Buy From Cock Ring Shop

  • Genuine Hell's Couture products with full warranty
  • 100% discreet packaging — no logos, total privacy
  • Fast tracked shipping across Australia
  • Expert advice for advanced urethral play accessories

Order your The Undy Waved Hollow Penis Plug from the cockringshop and discover how textured steel construction creates unmatched internal sensations while supporting extended wear through effective hollow design. Premium urethral play starts here.

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

How does The Undy Waved Hollow Penis Plug create urethral stimulation?
Textured waves along the shaft massage sensitive urethral tissue during insertion and movement creating progressive sensations as each contour stimulates nerve endings throughout the penis length.
Why is The Undy Waved Hollow Penis Plug effective for extended wear?
The hollow core allows natural fluid passage without removal enabling longer play sessions while maintaining deep penetration and continuous stimulation for extended pleasure experiences.
What makes The Undy Waved Hollow Penis Plug suitable for temperature play?
Stainless steel construction retains heat and cold effectively allowing users to warm or chill the device for varied sensations that enhance urethral stimulation during insertion.
Which features of The Undy Waved Hollow Penis Plug ensure secure fit?
The integrated glans ring prevents slippage during active play while the graduated 8mm to 10mm diameter provides progressive stretching that accommodates the urethral opening securely.
Where does The Undy Waved Hollow Penis Plug provide the most intense sensation?
Deep urethral penetration targets the most sensitive nerve clusters within the penis while the waved texture creates continuous stimulation along the entire insertable 90mm length.

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