Body-safe silicone construction makes Zero Tolerance Crossbones Mighty Marble Double Bullet Cock Ring ideal for couples. Features dual synchronized vibration motors, 2.25-inch adjustable fit, and marble extension for focused stimulation during partnered play.
Key Features:
Dual synchronized vibration motors for simultaneous internal and external stimulation
Flexible silicone construction safe for body contact and easy cleaning
Measures 2.25 inches across with adjustable fit for various sizes
Marble-shaped extension positioned for direct clitoral contact during use
Two synchronized motors create layered sensation single-motor rings cannot deliver
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Zero Tolerance Crossbones Mighty Marble Double Bullet Cock Ring is a dual-motor vibrating ring designed for couples seeking synchronized external and internal stimulation. Measuring 2.25 inches across with flexible silicone construction, it delivers two synchronized vibration sources plus a marble extension for focused clitoral contact. The adjustable fit accommodates various sizes while maintaining optimal positioning for both partners during partnered play.
The Zero Tolerance Crossbones Mighty Marble operates through dual synchronized vibration bullets positioned at calibrated angles to reach sensitive areas simultaneously. The marble-shaped extension transmits vibrations directly to external contact points while the ring itself channels stimulation through the shaft, creating layered sensation across multiple zones. This dual-point approach generates intensity that single-motor rings cannot replicate, as vibrations build upon each other rather than competing for attention.
Body-safe silicone construction ensures comfort against sensitive skin while maintaining sufficient firmness for vibration transmission and structural support. The phthalate-free material remains hypoallergenic and easy to clean, supporting both safety and longevity. Couples exploring enhanced intimacy can discover additional options through our magnetic cock rings collection at Adultsmart.
| Dimensions | 2.25 inches diameter with marble extension |
| Material | Body-safe phthalate-free silicone |
| Power Source | Six LR44 batteries (included and pre-installed) |
| Vibration Modes | Multiple synchronized patterns via dual motors |
| Waterproof Rating | Fully waterproof for shower and bath use |
| Includes | Ring, batteries, and one-year manufacturer warranty |
Pairing this cock ring with silicone-based lubricant enhances glide and reduces friction that might interfere with vibration sensation. For couples exploring extended sessions, the ring's physiological enhancement effect—creating firmer erections and potentially delaying climax—combines with dual-point vibration to create longer, more satisfying encounters. Many partners find that alternating between vibration modes throughout a session prevents desensitization and maintains building intensity.
After each use, rinse the ring thoroughly under warm water with mild soap, paying special attention to the marble extension where moisture and residue accumulate. Pat dry completely with a soft cloth before storage. Store in a cool, dry location away from direct sunlight, which can degrade silicone over time. Check battery contacts occasionally for corrosion, and replace batteries when vibration intensity decreases. The waterproof seal should be inspected periodically to ensure it remains intact.
Body-safe phthalate-free silicone forms the Zero Tolerance Crossbones Mighty Marble's construction, ensuring hypoallergenic contact with sensitive skin. The non-porous material resists bacterial growth and supports thorough cleaning between uses. Silicone's inherent flexibility allows comfortable adjustment to various sizes while retaining sufficient firmness for effective vibration transmission. The sealed waterproof design protects internal components while enabling comprehensive hygiene maintenance.
This ring suits couples seeking simultaneous stimulation through synchronized dual-motor technology rather than single-point vibration. Partners interested in extending intimate sessions or exploring physiological enhancement will appreciate the ring's dual benefits of gentle restriction and focused vibration. Those comfortable with vibrating accessories but seeking greater intensity than standard rings provide will discover the dual-bullet system delivers measurably more sensation. Experience level matters less than openness to exploring enhanced intimacy together.
Standard single-bullet cock rings deliver vibration from one contact point, leaving partners feeling like stimulation remains incomplete or unbalanced. The Zero Tolerance Crossbones Mighty Marble eliminates this limitation by positioning two synchronized vibration sources at precisely calibrated angles, ensuring both partners experience intense sensation simultaneously rather than one person feeling most of the stimulation. The marble extension reaches external sensitive areas while the ring channels vibrations internally, creating a comprehensive sensation map that single-motor designs cannot achieve. For couples frustrated by rings that provide adequate but not exceptional stimulation, discovering that dual-motor synchronization creates noticeably different sensation patterns shifts what feels possible during partnered play. The physiological enhancement effect—firmer erections and extended duration—combines with dual-point vibration to transform standard encounters into extended sessions where both partners experience building intensity throughout rather than plateauing quickly.
Our independent testers evaluated the Zero Tolerance Crossbones Mighty Marble's dual-motor synchronization, vibration intensity distribution, marble extension contact consistency, and overall build durability across extended use sessions. Testers confirmed that the two vibration motors maintain synchronized operation without drift or competing patterns, and the marble extension transmits vibrations effectively to external contact points throughout movement.
Measurable observations indicated that dual-motor intensity registers noticeably higher than comparable single-motor rings, with vibration waves building cumulatively rather than dispersing. The adjustable silicone fit accommodated various sizes while maintaining optimal positioning. Individual results may vary based on anatomy, sensitivity, and usage.
| Product | Unique Advantage | Key Difference | Choose This If You Want |
|---|---|---|---|
| Zero Tolerance Crossbones Mighty Marble | Dual synchronized motors with marble extension for layered stimulation | Only model combining two vibration sources with external marble contact point | Simultaneous internal and external dual-motor stimulation |
| Electro Cock Rings | Electrical pulse stimulation for different sensation pathway | Uses electrostimulation rather than vibration motors | Exploring electrical sensation as alternative to vibration |
| Figure-8 Cock Rings | Dual loop design distributes contact across two zones | Mechanical shape creates stimulation without motors | Hands-free enhancement without battery-powered vibration |
| Stretchy Cock Rings | Maximum flexibility for various sizes and extended wear | No vibration—focuses purely on physiological enhancement through gentle restriction | Physiological benefits without vibration or power requirements |
Discover enhanced pleasure options across our collection of 3D textured masturbators and specialized stimulation products at Adultsmart.
Understanding how dual stimulation works together creates better expectations for partnered exploration. Couples who coordinate vibration mode changes throughout intimate sessions often report building sensation that single-point stimulation cannot replicate. Our comprehensive cock ring guide explores selection criteria, usage techniques, and how different ring styles enhance various intimate preferences.
Experience synchronized dual-motor stimulation with the Zero Tolerance Crossbones Mighty Marble. Available through Adultsmart with discreet Australia-wide shipping in plain packaging and full manufacturer warranty protection for complete peace of mind.
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.
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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.
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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.
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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.