

Robotube Penis Plug delivers controlled urethral stimulation through precision-engineered stainless steel construction. Features a graduated 4-8mm diameter with 63mm insertable length, stabilizing glans ring, and external frenulum ball for dual sensation points. Perfect for beginners exploring internal pleasure.
Key Features:
Stainless steel penis plug provides intense urethral stimulation through 63mm insertable length with tapered 4mm to 8mm width for progressive penetration and arousal during masturbation or partner play.
Glans ring with 27mm diameter secures positioning on the penis head while frenulum stimulation ball delivers external pleasure to enhance orgasmic sensations during urethral exploration and intimate experiences.
Tapered design allows gradual urethral insertion from narrow 4mm tip expanding to 8mm width for comfortable penetration that builds stimulation intensity as the penis plug reaches deeper placement.
Dual stimulation combines internal urethral pressure with external frenulum contact creating comprehensive penis sensations that intensify arousal and provide unique pathways to orgasm during solo or partnered sexual activity.
Polished stainless steel construction delivers temperature play sensations while the substantial weight creates internal pressure against urethral walls that enhances every movement and touch during sexual stimulation and climax.
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Robotube Penis Plug combines surgical-grade stainless steel with beginner-friendly dimensions for safe precision urethral exploration. The graduated 4-8mm diameter allows comfortable progression while the stabilizing glans ring ensures secure positioning throughout your session, creating controlled internal stimulation.
Once positioned, the tapered tip enters smoothly at 4mm before gradually expanding to 8mm along the 63mm insertable shaft. The solid steel creates unique pressure sensations as it fills your urethra, making every movement and touch feel amplified. Your dick responds differently when there's internal contact – each pulse becomes more noticeable, pre-cum production increases, and the entire head becomes hypersensitive.
The external frenulum ball adds constant stimulation to that sweet spot underneath while the glans ring creates a snug embrace around your corona. During arousal, the steel conducts body heat and creates fascinating temperature play. When you finally climax, the internal pressure changes everything – contractions feel deeper and the release builds more gradually before hitting with surprising force.
Start with thorough cleaning and sterilization using antibacterial soap and medical-grade sanitizer. Apply sterile lubricant generously to both the plug and your urethral opening. Insert slowly, allowing the 4mm tip to enter naturally without forcing. The graduated design means you can control how deep you go – some users prefer just the tip while others enjoy the full 63mm experience.
Position the glans ring carefully around your corona until it sits snugly but not painfully tight. The frenulum ball should rest against that sensitive spot underneath your head. Take time to adjust everything before beginning any movement or stimulation. When removing, go slowly and maintain lubrication throughout the process.
Perfect for curious beginners who want to explore urethral play with a quality, safe device. The moderate 63mm insertable length won't overwhelm newcomers while still providing substantial sensation. Advanced users appreciate the solid construction and dual stimulation points. Men with smaller urethras benefit from the gentle 4mm starting diameter.
Avoid this if you have any urethral infections, injuries, or medical conditions affecting your urethra. Those wanting extreme depth or larger diameters should look elsewhere. This plug works best for patient explorers rather than those wanting immediate intense sensations.
| Feature | Specification | Sexual Benefit | User Experience |
|---|---|---|---|
| Graduated Shaft | 4-8mm diameter | Progressive stretching | Comfortable insertion |
| Stabilizing Ring | 27mm diameter | Prevents over-insertion | Confidence during play |
| Frenulum Ball | Integrated design | External stimulation | Dual pleasure points |
| Steel Construction | Surgical grade | Body-safe materials | Premium feel |
Urethral play demands the highest quality lubricants for safety and comfort. Sterile, long-lasting formulas prevent irritation while allowing smooth insertion and movement. The Robotube works exceptionally well with medical-grade lubricants designed specifically for internal use.
Advanced users sometimes incorporate penis plugs into protected partnered play. Specialized condoms accommodate the additional hardware while maintaining barrier protection. The Robotube's external components require careful consideration when selecting appropriate barrier methods for shared experiences.
My first experience with the Robotube Penis Plug was revelatory. The 4mm entry felt manageable even as a complete beginner, and I gradually worked up to about 40mm of the 63mm insertable length over several sessions. What struck me most was how the solid steel changed every sensation – even gentle touches felt magnified tenfold. The frenulum ball creates this constant gentle pressure that builds arousal slowly but steadily. During climax, the internal resistance made my orgasm feel completely different – slower to build but more forceful when it hit. The glans ring never slipped or caused discomfort, giving me confidence to really explore. After three weeks of regular use, I understand why urethral play has such devoted followers.
Order your Robotube Penis Plug from the cockringshop for safe entry into urethral exploration. Quality construction and thoughtful design make this the perfect starting point for discovering internal pleasures with complete confidence and safety.
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
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