Seven Creations Everlasting Duet Strap-On Black revolutionizes partner play with simultaneous dual penetration capabilities, allowing wearers to maintain their own sensitivity , delivering controlled thrusting motions through the hollow construction that accommodates most sizes comfortably during extended intimate sessions.
Key Features:
Hollow dildo design allows penis insertion while providing simultaneous penetration for both partners during strap on play enhancing intimacy and shared pleasure through dual stimulation experiences.
Secondary penetrator component delivers additional vaginal or anal stimulation while the main hollow shaft accommodates the wearer creating comprehensive satisfaction for adventurous couples seeking intensified encounters.
Dual density PVC construction features soft interior surfaces for comfortable penis insertion combined with firm exterior walls that maintain structural integrity during vigorous penetration and thrusting motions.
Adjustable elastic harness system fits various body types securely ensuring stable positioning during anal and vaginal penetration while allowing natural hip movement for optimal sexual performance.
Waterproof design enables shower and bath sexual encounters while simplifying post orgasm cleaning maintaining hygiene standards essential for safe anal and vaginal penetration with sex toys.
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A hollow strap-on harness that slides over your penis while positioning a secondary dildo for dual penetration. Designed for couples exploring simultaneous stimulation, it lets you maintain sensation and control while your partner receives doubled pleasure from coordinated thrusting.
Why choose the Everlasting Duet Strap-On by Seven Creations
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📦 Discreet plain-wrapped delivery • 💳 Private billing • ↩️ Easy size-swap returns |
Slide the hollow chamber over your penis before fastening the elastic harness around your waist and between your legs. Your cock stays inside the snug chamber, which keeps you firm while you move, and you'll feel every thrust through the thin walls. Below, a secondary dildo angles toward your partner's vagina or anus. Both penetrators work in unison as you thrust naturally, so your partner experiences doubled stimulation from two points at once.
Your penis remains fully functional inside the chamber—you can ejaculate normally and stay hard for continued play. Couples Penis Sleeves like this one are built on the principle that the penetrating partner should keep sensation and control. Dual-density PVC means the exterior stays firm for effective penetration while the interior stays soft against your skin. You'll maintain natural hip movements without the harness shifting, making rhythm and depth something you control completely.
Start slowly with gentle thrusting to let both partners adjust to dual penetration. Communication is crucial—check in regularly about pressure, depth, and comfort at both insertion points since the dual stimulation can intensify sensations quickly. You don't need to be fully hard when you start; the snug chamber will help maintain your erection once the harness is secured. Use water-based lubricant on both penetrators and reapply as needed. Cockringshop specialise in products for men and couples exploring new sensations, and this design suits those with some experience in partnered penetration play.
Before play, position yourself so the harness sits comfortably around your hips. Slide the hollow chamber over your penis, then secure the elastic straps around your waist and between your legs. Adjust the harness so both penetrators align properly with your partner's openings. Apply water-based lubricant generously to both the chamber interior and the secondary dildo.
Begin with slow, shallow thrusts to gauge comfort for both of you. Your partner can guide depth and rhythm feedback to you. The weight distribution across the harness lets you maintain natural hip movements without it shifting during activity. After play, rinse both penetrators thoroughly under warm water and dry completely before storage. Keep it away from extreme heat and store in a cool, dry place.
| Feature | Specification | Benefit | Experience |
|---|---|---|---|
| Hollow Chamber | 1.5" diameter, open-ended design | Maintains wearer sensation and blood flow | Natural feeling with enhanced firmness |
| Secondary Penetrator | 0.5" width, firm construction | Simultaneous dual stimulation for partner | Coordinated thrusting motion |
| Dual-Density Design | Soft interior, firm exterior | Comfort during extended wear and effective penetration | Balanced flexibility and support |
| Universal Harness | 28–48" adjustable elastic | Secure positioning during activity | Even weight distribution, no pressure points |
This harness is ideal for couples exploring dual penetration fantasies where the penetrating partner wants to keep sensation and control. Men managing erectile concerns benefit from the supportive chamber design, which helps maintain firmness. Anyone seeking added girth and length will appreciate the size enhancement. Your body type matters less here—the universal harness accommodates most waist sizes comfortably.
Skip this if you're uncomfortable with close-fitting devices around your penis or if either partner is new to penetration. Dual stimulation can be overwhelming for inexperienced users. You'll need open communication about pressure and depth since two insertion points are involved. If your partner hasn't experienced double penetration before, take time to build up gradually with plenty of lube and patience.
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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 → |
Thickening Cock Sleeves add girth and length for single penetration while you keep full sensation. They're simpler—no harness, no second penetrator—and suit partners who want size enhancement without the complexity of coordinated dual entry. A strap-on like the Everlasting Duet adds a second insertion point, so your partner feels doubled stimulation. Choose a basic sleeve if you want straightforward thickness; choose a harness strap-on if you and your partner want simultaneous penetration at two points.
| 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. As porous materials can harbour bacteria, use a condom over them for sharing or easy clean-up. 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 harness with Couples Intimacy Kits that include complementary items like vibrators or additional sex toys. Vibrators can work alongside the strap-on to add extra stimulation for your partner or yourself during play. Kits designed for couples often include multiple items that layer sensations together, letting you build intensity gradually and explore different combinations as you get more comfortable with dual penetration.
Seven Creations makes a range of dual-function sex toys and harnesses built for couples and men seeking enhanced sensation or support. Browse their full collection to find other strap-ons, sleeves, and penetration aids designed with real bodies and real use in mind.
Want to understand extenders and sleeves better before deciding? Penis Extenders on the Adultsmart blog covers how these work, what to expect, and which type suits different needs and experience levels.
Ready to buy with your size sorted? Order the Everlasting Duet Strap-On by Seven Creations from The Cock Ring Store. It's genuine, function-tested, and quality-checked. Cockringshop ships discreetly in plain packaging so your purchase arrives privately. Real fit advice, body-safe materials, and plain-packaged shipping. 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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