b-Vibe Nickel-Free Tunnel Butt Plug is a 2.75" aluminium hollow anal toy with ribbed neck stimulation. Features see-through design for visual appeal and easy cleaning. Ideal for solo or partnered anal exploration with gradual filling sensation.
Key Features:
Nickel-free aluminium ensures hypoallergenic, body-safe anal play.
Tapered tip enables smooth, controlled insertion for beginners.
Ribbed neck stimulates anal sensations during wearing.
Hollow tunnel design allows easy cleaning and hygiene.
Open-ended construction creates visual intrigue during partnered play.
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A nickel-free aluminium hollow tunnel butt plug with a contoured opening designed for controlled entry and graduated fullness. Ideal for solo or partnered play, it offers visual appeal and comfortable sensations for anyone exploring anal stimulation with confidence.
Why choose the b-Vibe Nickel-Free Tunnel Butt Plug by COTR
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📦 Discreet plain-wrapped delivery • 💳 Private billing • ↩️ Easy size-swap returns |
Open-ended tunnel plugs work by combining internal stimulation with visual sensation and airflow. When inserted, the hollow centre allows you to feel pressure around the sphincter and lower rectal walls while maintaining a sense of openness. The ribbed neck adds texture that intensifies sensations as you move or shift position, creating a unique form of anal play distinct from solid plugs.
For solo use, it's an excellent tool for exploring prostate sensitivity and building comfort with anal penetration at your own pace. In partnered play, the see-through design creates visual appeal for both participants, and the open tunnel adds another dimension to shared stimulation. If you're interested in progression, Prostate Beads offer an alternative way to explore internal pleasure with graduated sensation.
At 63.5mm long with a maximum insertable diameter of 140mm, this plug is a solid starting point for most users, if you're new to anal play or building a collection. Go slowly on first use—apply plenty of water-based lubricant and take time to relax your sphincter muscles before inserting. Work gradually, allowing your body to acclimate to the sensation and width. Cockringshop specialise in products for men and couples exploring anal play at their own pace, so don't rush the process. Even experienced users benefit from starting conservatively and building comfort over multiple sessions.
Position yourself comfortably—lying on your side, squatting, or on all fours works well for most users. Apply generous water-based lubricant to both the plug and your entrance, then begin insertion slowly, allowing your body time to adjust to each stage. The contoured shape guides entry naturally; resist the urge to force it. Once seated, you can move gently, shift your position, or hold it still to enjoy the sensation of fullness and the ribbed texture of the neck.
During use, the open tunnel allows you to feel sensations differently than a solid plug—the airflow and the visual aspect add another layer of stimulation. Partnered use works well during foreplay or intercourse. After play, wash thoroughly with warm water and mild soap, or use a toy cleaner designed for aluminium. Store it dry in a clean, discreet place away from direct sunlight.
| Feature | Specification | Benefit | Experience |
|---|---|---|---|
| Hollow tunnel design | Open-ended with contoured opening | Guides entry and allows visual connection | Pressure and fullness without complete closure |
| Ribbed neck | Textured collar at insertion point | Adds sensation during movement and insertion | Enhanced stimulation with each subtle shift |
| Nickel-free material | Aluminium alloy construction | Safe for sensitive skin and hypoallergenic | Comfortable wear without irritation |
| Compact length | 63.5mm insertable length | Suitable for beginners and travel-friendly | Manageable size that suits gradual exploration |
This plug works well for anyone curious about anal play, if you're exploring for the first time or adding to an existing collection. Men interested in prostate play benefit from the internal pressure and the ability to combine it with other stimulation. Couples exploring anal play together appreciate the visual element and the way it works during partnered sex. Solo users enjoy the control and the sensation of fullness at their own pace.
It's less suitable if you prefer maximum internal stimulation without any visual or airflow component—a solid plug delivers more consistent pressure throughout. If you're looking for something larger or longer, you may outgrow this one quickly. Those with severe nickel sensitivity to metal should check their personal tolerance, though aluminium alloy is generally hypoallergenic and far gentler than steel or brass.
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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 → |
Tunnel plugs differ fundamentally from solid butt plugs in function and sensation. Solid plugs deliver consistent internal pressure and fullness throughout, while tunnel plugs combine internal sensation with openness, airflow, and visual appeal. Slide Easy Prostate Plugs are designed for targeted internal stimulation and movement. Tunnel plugs sit between these two approaches—more visual and open than a solid plug, but without the specific internal targeting of a dedicated prostate toy. Choose based on what sensation appeals to you: total fullness, visual play, or internal pressure.
| Please read — safety first. Use only sex toys with a flared or wide base for anal play, use plenty of water-based lubricant, and go slowly — discomfort means stop, not push on. 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. |
Pair this plug with Cock Ring Sets for partnered play—the plug provides internal stimulation while a ring maintains erection and sensation during intercourse. In solo use, a ring amplifies arousal and prolongs the experience, making the plug's sensations more intense. Combining internal and external stimulation creates a fuller, more complex sensation than using either alone.
COTR Inc builds a complete range of anal toys and men's products beyond this tunnel plug. If you're drawn to the feel of metal, Steel Prostate Toys offer firmer, heavier options with different aesthetic and tactile qualities. Explore the full collection to find what suits your play style.
Anal play opens possibilities for many people, and learning the basics makes the experience safer and more enjoyable. The Adultsmart blog has detailed guides on techniques and positions, including a useful piece on Wife Butt Fucks Husband for couples exploring together.
Keen to get harder and last longer tonight? The b-Vibe Nickel-Free Tunnel Butt Plug is genuine, function-tested, and quality-checked, ready to ship to you discreetly from The Cock Ring Store. Cockringshop packs and dispatches every order with privacy in mind, so it arrives safely and confidently to your door. Australia's cock ring specialists, helping you buy with confidence. The Cock Ring Store ships discreetly Australia-wide.
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.
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
We ship same day on all in-stock orders placed before 12pm! Free shipping on all orders above $200.
All of our shipments come in discreet packaging ensuring those nosy neighbours will never know!
We ship our full range of products worldwide with fast dispatch for orders before 12pm Sydney EST!
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