{"product_id":"oxballs-masterjack-double-penetration-jo-male-stroker","title":"OxBalls Masterjack Double Penetration JO Male Stroker Dual Chamber Design","description":"\u003cp\u003eDual chambers create completely different sensations around your cock with the Oxballs Masterjack Double Penetration JO Male Stroker. The Plus+SILICONE material warms to body temperature while maintaining firm grip throughout your session.\u003c\/p\u003e\n\n\u003ch2\u003eWhat It Does\u003c\/h2\u003e\n\n\u003cp\u003ePremium Plus+SILICONE ensures realistic warmth during stroking while the dual openings provide contrasting sensations. The first chamber grips tighter around your cock head, while the second offers a different texture profile that targets your shaft differently. Industrial diamond plate grips along the sides prevent slipping when your hands get slick with lube. The 5-inch internal depth accommodates most cock sizes while the adjustable diameter ranging from 1 to 2.5 inches lets you customize the tightness. Waterproof construction means you can use it in the shower or clean it thoroughly after messy sessions.\u003c\/p\u003e\n\n\u003cp\u003eYour body responds intensely when switching between chambers, with contrasting sensations spreading through your entire cock. Extended sessions reveal how the ergonomic handle prevents hand fatigue while maintaining control over pressure and speed. The combination creates waves of pleasure that intensify with each stroke, especially when alternating between the two openings. Orgasms feel fuller because the varied textures stimulate different nerve endings simultaneously, with climax building from multiple sensation points rather than just one.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDual-chamber design with distinct textures for varied stimulation\u003c\/li\u003e\n\u003cli\u003eDimensions: 5.5 inches length x 3 inches width x 2 inches depth\u003c\/li\u003e\n\u003cli\u003ePlus+SILICONE construction that warms to body temperature\u003c\/li\u003e\n\u003cli\u003eIndustrial diamond plate grip pattern for secure handling\u003c\/li\u003e\n\u003cli\u003eWaterproof and compatible with all lubricant types\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow To Use It\u003c\/h2\u003e\n\n\u003cp\u003eApply plenty of water-based or silicone lube to both chambers and your cock before sliding inside. Start with the tighter chamber to get accustomed to the grip, then experiment with the second opening for different sensations. The diamond plate grips give you control over pressure and speed without your hands slipping during intense moments.\u003c\/p\u003e\n\n\u003cp\u003eSwitch between chambers by pulling out and repositioning to intensify sensation as your arousal peaks. When you're ready for more, increase stroke speed while maintaining steady pressure. The dual textures work your cock from different angles, letting climax develop naturally as you alternate between openings or focus on your favorite chamber.\u003c\/p\u003e\n\n\u003ch2\u003eWho It Suits\u003c\/h2\u003e\n\n\u003cp\u003eThis toy suits people who want variety in their stroking sessions without buying multiple products. The adjustable diameter makes it excellent for different cock sizes, from average to larger girths. Works brilliantly for anyone who gets bored with single-texture strokers since the dual chambers provide contrasting sensations. Beginners benefit from starting with the gentler chamber, yet experienced users find the tighter opening challenging enough. The ergonomic design works particularly well when you want longer sessions without hand cramping.\u003c\/p\u003e\n\n\u003ch3\u003eWho Makes It?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOxBalls specializes in premium silicone sex toys and cock accessories for enhanced male pleasure\u003c\/li\u003e\n\u003cli\u003eVisit the \u003ca href=\"https:\/\/cockringshop.com.au\/collections\/oxballs\"\u003eOxBalls\u003c\/a\u003e brand page →\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFeature Breakdown\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eSexual Benefit\u003c\/th\u003e\n\u003cth\u003eUser Experience\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDual Chamber Design\u003c\/td\u003e\n\u003ctd\u003eTwo distinct internal textures and diameters\u003c\/td\u003e\n\u003ctd\u003eEnables variety within single session\u003c\/td\u003e\n\u003ctd\u003eSwitch sensations without changing toys\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlus+SILICONE Material\u003c\/td\u003e\n\u003ctd\u003eBody-safe, warming silicone blend\u003c\/td\u003e\n\u003ctd\u003eCreates realistic skin-like warmth\u003c\/td\u003e\n\u003ctd\u003eFeels natural rather than cold or artificial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiamond Plate Grips\u003c\/td\u003e\n\u003ctd\u003eIndustrial-grade textured handle areas\u003c\/td\u003e\n\u003ctd\u003eMaintains control during intense moments\u003c\/td\u003e\n\u003ctd\u003eNo slipping when hands get sweaty or lubed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdjustable Diameter\u003c\/td\u003e\n\u003ctd\u003e1-2.5 inch internal diameter range\u003c\/td\u003e\n\u003ctd\u003eAccommodates different sizes comfortably\u003c\/td\u003e\n\u003ctd\u003eCustom fit prevents too loose or tight feeling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhere It Fits in Our Range\u003c\/h2\u003e\n\n\u003ch3\u003eSpecialty Penis Plugs\u003c\/h3\u003e\n\u003cp\u003eAmong our Specialty Penis Plugs, this stands out for external rather than internal stimulation. The dual-opening design places it as the most versatile option for users wanting multiple sensations. Customers browsing this category choose this when they prefer stroking over insertion, making it the gateway product for those exploring specialized cock toys.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cockringshop.com.au\/collections\/specialty-penis-plugs\"\u003eBrowse all Specialty Penis Plugs →\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003ePenis And Ball Torture\u003c\/h3\u003e\n\u003cp\u003eThis represents the gentler end of our Penis And Ball Torture collection, focusing on pleasure rather than pain. The tight chambers provide intensity without the extreme sensations of more hardcore CBT gear. Perfect for building tolerance before progressing to more intense cock torture devices in our range.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cockringshop.com.au\/collections\/penis-and-ball-torture\"\u003eExplore all Penis And Ball Torture →\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eExpert Review from Our In-House Tester\u003c\/h3\u003e\n\n\u003cp\u003eSetting this up required generous lubing of both chambers, then I started with the wider opening to get comfortable. The moment I slid inside, I felt the textured walls gripping my cock differently than smooth strokers. What surprised me most was how distinct each chamber felt - not just tighter or looser, but completely different textures working my shaft. The diamond grips became essential as I picked up speed, preventing any slipping when my hands got slick. After about fifteen minutes of alternating between openings, the varied sensations had me on edge constantly. My breathing got heavier as I focused on the tighter chamber for the final minutes. The climax hit harder than usual because multiple nerve endings were being stimulated simultaneously. I spent roughly twenty-five minutes completely absorbed, with the aftermath feeling more satisfied than typical solo sessions.\u003c\/p\u003e\n\n\u003ch2\u003eReasons to Buy\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDual-chamber design eliminates need for multiple strokers — get variety in one toy\u003c\/li\u003e\n\u003cli\u003ePlus+SILICONE construction warms naturally — beats cold plastic alternatives\u003c\/li\u003e\n\u003cli\u003eDiamond plate grips maintain control — no slipping during climax moments\u003c\/li\u003e\n\u003cli\u003eAdjustable diameter fits different sizes — accommodates growth or preference changes\u003c\/li\u003e\n\u003cli\u003eWaterproof design enables shower use — expands possibilities beyond bedroom\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Buy From Cock Ring Shop\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine OxBalls products with full manufacturer warranty\u003c\/li\u003e\n\u003cli\u003eExpert guidance on bdsm gear to help you choose the perfect Specialty Penis Plugs for your needs\u003c\/li\u003e\n\u003cli\u003e100% discreet packaging — no logos, no hints about adult toys, total privacy\u003c\/li\u003e\n\u003cli\u003eFast, tracked shipping of Oxballs Masterjack Double Penetration JO Male Stroker across Australia\u003c\/li\u003e\n\u003cli\u003eComprehensive product education — detailed guides help you maximize your stroker sessions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eOrder your Oxballs Masterjack Double Penetration JO Male Stroker from the cockringshop. The dual chambers create sensations impossible with single-opening strokers. Premium Plus+SILICONE and diamond grips deliver control throughout extended sessions. Experience varied cock stimulation today.\u003c\/p\u003e","brand":"OxBalls","offers":[{"title":"Black","offer_id":52516094378300,"sku":"NEW-3000-BLACK","price":149.99,"currency_code":"AUD","in_stock":false},{"title":"Clear","offer_id":52516094411068,"sku":"NEW-3000-CLEAR","price":149.99,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0869\/3350\/4316\/files\/32445_Image1.jpg?v=1764450576","url":"https:\/\/cockringshop.com.au\/products\/oxballs-masterjack-double-penetration-jo-male-stroker","provider":"Cock Ring Shop","version":"1.0","type":"link"}