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Masterjack Double Penetration JO Ice Masturbator
- $149.99
- $149.99
- Unit price
- per
Oxballs Masterjack Double Penetration JO Male Stroker combines dual-chamber design with Plus+SILICONE construction for intense cock stimulation. Industrial diamond plate grips ensure secure handling during extended sessions. Each chamber offers unique textures and sensations for varied stroking patterns.
Key Features:
Dual chamber design features two distinct openings with unique textures for varied penis stimulation during masturbation. Each chamber provides different sensations to enhance arousal and deliver more intense orgasms.
Premium Plus+SILICONE construction warms naturally to body temperature while providing realistic skin like texture. This durable material maintains structural integrity through repeated use while delivering lifelike masturbation sensations.
Industrial diamond plate grip pattern ensures secure handling during extended masturbation sessions. The ergonomic design reduces hand fatigue while providing complete control over stimulation intensity and penetration depth.
Adjustable internal diameter accommodates penis sizes from 1 to 2.5 inches while maintaining optimal pressure. The 5 inch internal shaft length provides satisfying depth for complete penis penetration and stimulation.
Waterproof construction enables versatile use in shower or bath environments. The non porous surface resists bacteria buildup while facilitating thorough cleaning after each masturbation session for optimal hygiene.
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Dual chambers deliver contrasting sensations without needing two separate strokers. The Masterjack Double Penetration JO Male Stroker by OxBalls warms to body temperature and lets you switch between a tighter grip and a different texture profile mid-session for fuller, more intense orgasms.
Why choose the Masterjack Double Penetration JO Male
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📦 Discreet plain-wrapped delivery • 💳 Private billing • ↩️ Easy size-swap returns |
What it does
Two distinct internal chambers mean you're not just stroking the same texture twice. Your cock experiences a tighter grip around the head in the first chamber, then a completely different sensation as you move into the shaft-focused second opening. Switching between them creates waves of pleasure that build from multiple nerve endings at once, making climax feel fuller and more intense than single-texture strokers deliver.
Plus+SILICONE construction warms to your body temperature while maintaining a firm, consistent grip throughout your session. Industrial diamond plate grips along the sides keep the stroker secure in your hands even when things get slick with lubricant. Fleshlight Male Masturbators offer a similar internal experience, but the Masterjack's dual-chamber design gives you two distinct sensations without buying a second product.
Specifications
- Length: 5.5 inches overall
- Width: 3 inches
- Depth: 2 inches
- Internal depth: 5 inches
- Adjustable diameter: 1 to 2.5 inches
- Material: Plus+SILICONE
- Waterproof: Yes
- Lubricant compatible: Water-based and silicone
Getting the most from it
Start with the tighter chamber to warm up and get accustomed to the grip, then experiment with the second opening as arousal builds. Use plenty of lubricant on both chambers and your cock before entry—this reduces friction and lets you focus on the sensation differences. Switch between openings by pulling out and repositioning, or alternate your stroking speed and pressure to intensify sensation as you approach climax. Cockringshop specialise in products for men and couples, and combining varied stroking techniques with the dual textures reveals how each chamber works your cock from different angles, letting orgasm develop naturally and powerfully.
How to use it
Apply water-based or silicone lubricant generously to both chambers and your erect penis. Slide into the first chamber and establish a rhythm, paying attention to how the tighter grip feels around your cock head. When you're ready for a different sensation, pull out smoothly and reposition into the second chamber, which targets your shaft with its own distinct texture profile.
Maintain steady pressure and vary your stroke speed as arousal builds. Switch between chambers whenever you want to intensify sensation or prevent desensitisation to a single texture. After use, rinse thoroughly with warm water to clean both internal chambers completely. Allow it to air dry fully before storing in a cool, dry place away from direct sunlight.
Feature breakdown
| Feature | Specification | Benefit | Experience |
|---|---|---|---|
| Dual Chamber Design | Two distinct internal textures and diameters | Enables variety within a single session | Switch sensations without changing strokers |
| Plus+SILICONE Material | Body-safe, warming silicone blend | Creates realistic skin-like warmth | Feels natural rather than cold or artificial |
| Diamond Plate Grip Pattern | Industrial textured sides | Secure handling even with lubricant | Full control over pressure and stroking speed |
| Adjustable Diameter | 1 to 2.5 inches customisable tightness | Suits different cock sizes and preferences | Personalised grip from first stroke to climax |
Who it suits
Anyone who wants variety in stroking sessions without buying multiple products will appreciate the dual chambers. If you've grown bored with single-texture strokers or want to explore how different sensations affect your arousal and orgasm, this design delivers. Beginners benefit from starting with the gentler chamber and graduating to the tighter one, while experienced users find the firmer opening challenging enough to keep things interesting.
The adjustable diameter works for average to larger cock sizes, and the ergonomic handle makes extended sessions comfortable without hand cramping. Skip this if you prefer a single, consistent texture or if you want maximum realism—some users prioritise lifelike feel over sensation variety. Also consider your cleaning routine: dual chambers require thorough rinsing and drying to prevent moisture trapped between them.
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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 → |
How it compares
Most strokers focus on a single internal texture, which means the sensation stays consistent throughout your session. Realistic Male Masturbators prioritise lifelike appearance and skin-like feel, often with a single chamber designed to replicate anatomical detail. The Masterjack trades some realism for functional variety—you're choosing contrasting sensations and the ability to switch mid-stroke over a single perfected texture. If sensation variety and extended play matter more to you than realistic appearance, the dual-chamber approach keeps sessions fresh and prevents monotony.
| 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. 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. |
What you can use it with
Pairing the Masterjack with Cock Ring Sets enhances sensation and extends your session. A cock ring maintains firmness and blood flow while you're switching between chambers, intensifying the contrast between each texture and delaying climax so you can explore both chambers more thoroughly. Combining the stroker's dual sensations with a ring's grip creates a more complex, multisensory experience that builds to a more powerful orgasm.
More from OxBalls
Oxballs specialises in premium silicone sex toys and cock accessories designed for enhanced male pleasure. Explore the full range to find other strokers, rings, and accessories that complement your collection.
Read more before you buy
Want more information on stroker types, materials, and techniques? Male Masturbators guide covers everything you need to know before making your choice.
Why buy the Masterjack Double Penetration JO Male Stroker by OxBalls
Looking for the right fit and the right material? Order the Masterjack Double Penetration JO Male Stroker by OxBalls from The Cock Ring Store—it's genuine, function-tested, and quality-checked. We ship discreetly to your door, and Cockringshop handles every order with care and confidence. Australia's cock ring specialists, helping you buy with confidence. The Cock Ring Store ships discreetly Australia-wide.
Shipping Information & Policy
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.
Returns Policy
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
Frequently Asked Questions
How does the Oxballs Masterjack Double Penetration JO Male Stroker create different sensations during masturbation?
Dual chamber engineering provides distinct textures and tightness levels for varied penis stimulation. Each opening features unique internal ribbing that creates different friction patterns to enhance arousal and intensify orgasms during use.
What makes the Oxballs Masterjack Double Penetration JO Male Stroker superior to standard masturbators?
Premium Plus+SILICONE material warms naturally while industrial diamond plate grips ensure secure handling. The dual opening design offers twice the stimulation options compared to single chamber masturbators for enhanced sexual satisfaction.
Why does the Oxballs Masterjack Double Penetration JO Male Stroker accommodate different penis sizes effectively?
Flexible material stretches from 1 to 2.5 inches internal diameter while maintaining optimal pressure around the penis shaft. This adaptability ensures comfortable penetration and consistent stimulation regardless of individual anatomical differences.
Which features of the Oxballs Masterjack Double Penetration JO Male Stroker enhance masturbation control?
Ergonomic handle design with diamond plate texturing prevents slipping during vigorous use. The substantial 8 ounce weight provides stability while the grip pattern enables precise control over penetration speed and pressure.
Does the Oxballs Masterjack Double Penetration JO Male Stroker work effectively for extended masturbation sessions?
Ergonomic construction reduces hand fatigue while Plus+SILICONE material maintains consistent texture throughout prolonged use. The durable design withstands repeated penetration while delivering sustained stimulation for longer masturbation experiences.
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