Yandex Penis Plug Undulating Cum Thru offers surgical-grade stainless steel construction with graduated ridges from 6mm to 10mm and a hollow Cum Thru channel for fluid passage. Double-ended design with varied ball sizes delivers progressive urethral stimulation.
Key Features:
Hollow Cum Thru channel allows fluid passage during wear
Surgical-grade stainless steel construction safe for body contact
Graduated ridges range from 6mm to 10mm width
Double-ended design with varied ball sizes for progression
Available in small (70mm) and medium sizes for fit options
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Yandex Penis Plug Undulating Cum Thru is a surgical-grade stainless steel urethral plug by Hell's Couture featuring an undulating shaft design with graduated ridges from 6mm to 10mm width. The hollow Cum Thru channel allows fluid passage while maintaining structural integrity. Available in small (70mm) and medium sizes, it delivers progressive stimulation through calculated ridge spacing and double-ended design with varied ball sizes for advancing users.
The Yandex Penis Plug operates through its precisely engineered undulating shaft, which creates graduated stimulation as it moves within the urethra. The hollow core channel permits natural fluid passage without compromising the plug's structural integrity, allowing simultaneous sensation and function. The double-ended design with varied ball sizes provides multiple sensation profiles from a single device, adapting to different preferences and experience levels.
Surgical-grade stainless steel construction delivers weight and durability that plastic alternatives cannot match. The polished metal surface facilitates smooth insertion while remaining non-porous, supporting complete sterilization between sessions and maintaining its lustrous finish through repeated use. Those seeking additional options in advanced stimulation can find our nose bondage collection at Adultsmart for complementary exploration.
| Dimensions (Small) | 70mm length, 6mm to 10mm width, 9mm and 10mm ball ends |
| Dimensions (Medium) | 70mm length, 11mm maximum width, 12mm ball end |
| Material | Surgical-grade stainless steel, polished finish |
| Design | Double-ended with undulating shaft and hollow Cum Thru channel |
| Sterilization | Fully sterilizable; non-porous construction supports complete cleaning |
| Includes | Yandex Penis Plug (one size selected at purchase) |
Pairing the Yandex Penis Plug with external stimulation through wand massage or cock ring pressure creates layered sensation that many find more intense than the plug alone. The hollow channel design accommodates natural functions while maintaining stimulation, allowing extended wear during partnered activity. Combining urethral play with harnesses can create complex sensation profiles for advanced exploration.
After each use, clean the plug thoroughly with warm water and mild soap, paying special attention to the hollow channel to ensure complete fluid removal. Sterilize between sessions using boiling water for five minutes or a specialized sterilization solution. Dry completely before storage in a clean, dry location away from extreme temperatures. The surgical steel construction resists corrosion, but proper drying prevents any mineral buildup in the hollow core.
Surgical-grade stainless steel construction ensures biocompatibility and complete sterilization capability between uses. The polished surface prevents micro-abrasions during insertion while the non-porous material eliminates bacterial harboring. The graduated sizing allows progressive advancement, and the hollow channel maintains safety by accommodating natural functions without compromising stimulation potential. Surgical steel's natural weight enhances sensation while its durability ensures years of reliable use.
This plug suits people with urethral play experience seeking advanced stimulation through engineered design rather than simple insertion. Those interested in graduated progression between small and medium sizes find the consistent 70mm length helpful for adapting to width changes. The double-ended design appeals to people wanting versatility from a single device, and the hollow Cum Thru feature suits those seeking simultaneous sensation and functional accommodation during extended wear.
For people who have experienced basic urethral plugs that provide only static pressure, discovering how calculated ridge spacing creates progressive sensation transforms what urethral play can feel like. The undulating shaft doesn't simply sit passively—the graduated ridges interact with sensitive tissue in ways that build intensity as arousal increases, creating a sensation pathway that basic smooth plugs cannot replicate. For those frustrated by plugs that feel either too simple or too aggressive, the engineered progression of the Yandex design shifts what feels effective. The hollow Cum Thru feature eliminates the compromise between stimulation and natural function, allowing extended wear without the tension of choosing between sensation and bodily necessity. For advanced enthusiasts, discovering that metal construction combined with sophisticated ridge engineering delivers sensation that plastic alternatives cannot provides confidence that investment in premium devices yields measurable differences in experience quality.
Our independent testers evaluated the Yandex plug's polished surface quality, ridge spacing precision, and hollow channel flow characteristics. The surgical steel construction maintained its finish through repeated sterilization cycles, and the graduated ridge design delivered progressive sensation as intended during testing protocols.
Testers reported that the undulating shaft design created distinct sensation building rather than uniform pressure, with the hollow channel functioning as designed without compromising structural integrity. The double-ended design provided genuine versatility, with ball size differences creating noticeably different sensations. Individual results may vary based on anatomy, sensitivity, and usage.
| Product | Unique Advantage | Key Difference | Choose This If You Want |
|---|---|---|---|
| Yandex Penis Plug Undulating Cum Thru | Graduated undulating shaft with hollow Cum Thru channel | Only model combining ridge engineering with fluid passage | Progressive sensation with functional accommodation |
| Adjustable Spreader Bars | Positional control and restraint integration | External positioning rather than internal stimulation | Multi-point control and partnered positioning |
| Wrist Cuffs | Restraint focus for hands and movement control | Upper body restraint rather than genital stimulation | Hands-free positioning and power exchange |
| Anal Spreaders | Alternative internal stimulation through anal opening | Different anatomical focus with spreading rather than penetration | Complementary internal play with different sensation |
Find our bondage leads to discover additional options for advanced play integration.
Penis plugs require gradual insertion and proper lubrication to ensure comfort and safety during medical play. The undulating design of this plug provides unique stimulation while the cum-thru feature allows fluid passage. Learn more in our penis plug information guide for insertion techniques and care.
Experience advanced urethral stimulation through Hell's Couture's engineered design. Yandex Penis Plug Undulating Cum Thru is available at Adultsmart with discreet Australia-wide shipping in plain packaging and confidential checkout processing.
Adultsmart.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..
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.
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.
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.
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, Adultsmart.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 too.