{"product_id":"b-vibe-2-75-aluminium-hollow-tunnel-butt-plug","title":"b-Vibe See-Through Tunnel Butt Plug by COTR Inc","description":"\u003cstyle\u003e\n  .pd-desc .lede{text-align:left;margin:0 auto 1.2em;max-width:100em;font-size:1.05em}\n  .pd-desc .ataglance{background:#111 !important;border-radius:10px;padding:20px 24px;margin:22px 0}\n  .pd-desc .ataglance,.pd-desc .ataglance *{color:#fff !important}\n  .pd-desc .ataglance ul{margin:.5em 0 0;padding-left:1.2em}\n  .pd-desc .safety{background:#111 !important;border-radius:10px;padding:20px 24px;margin:22px 0}\n  .pd-desc .safety,.pd-desc .safety *{color:#fff !important}\n  .pd-desc .fit{background:#f5f5f5 !important;border-left:4px solid #111;border-radius:8px;padding:16px 22px;margin:20px 0}\n  .pd-desc .fit,.pd-desc .fit *{color:#1a1a1a !important}\n  .pd-desc .trust{margin:18px 0;text-align:center}\n  .pd-desc .trust span{background:#111 !important;color:#fff !important;border-radius:24px;padding:9px 18px;display:inline-block;margin:5px 6px}\n  .pd-desc table{border-collapse:collapse;width:100%;margin:14px 0}\n  .pd-desc th,.pd-desc td{border:1px solid #e0e0e0;padding:11px 13px;text-align:left;vertical-align:top}\n  .pd-desc th{background:#111 !important;color:#fff !important;border-color:rgba(255,255,255,.25)}\n  .pd-desc td{color:#1a1a1a !important}\n  .pd-desc a{font-weight:700;text-decoration:underline}\n  .pd-desc .byline{font-style:italic}\n\u003c\/style\u003e\n\u003cdiv class=\"pd-desc\"\u003e\n\u003cp class=\"lede\"\u003eThe b-Vibe See-Through Tunnel Butt Plug by COTR Inc is a 63.5 mm aluminium butt plug with a hollow, ribbed opening designed for comfort and visual interest during solo or partnered play. Its contoured shape guides entry smoothly, and the open centre allows for gradual pressure and sensation exploration.\u003c\/p\u003e\n\n\u003cdiv class=\"ataglance\"\u003e\n\u003cstrong\u003eAt a glance\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Nickel-free aluminium alloy, body-safe and easy to clean\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsertable length:\u003c\/strong\u003e 63.5 mm with a widest diameter of 140 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Hollow tunnel opening with ribbed neck for texture and visual appeal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuild:\u003c\/strong\u003e Smooth, contoured shape with gradually tapering profile for comfortable insertion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Solo or partnered anal play; suits exploration and training\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCare:\u003c\/strong\u003e Wash with warm soapy water or toy cleaner; store dry\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e🚚 Fast, tracked Australian shipping\u003c\/span\u003e\u003cspan\u003e🔒 Plain, discreet packaging \u0026amp; billing\u003c\/span\u003e\u003cspan\u003e✅ Genuine brands, backed by warranty\u003c\/span\u003e\u003cspan\u003e💬 Product \u0026amp; sizing help whenever you need it\u003c\/span\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eWhat's in the box, and what it does\u003c\/h2\u003e\n\n\u003cp\u003eThe b-Vibe See-Through Tunnel Butt Plug by COTR Inc is a solid aluminium plug built around a hollow centre that sets it apart from standard \u003ca href=\"https:\/\/malechastity.com.au\/collections\/butt-plugs\"\u003ebutt plugs\u003c\/a\u003e. The open tunnel allows visual stimulation and sensation play while its ribbed neck provides subtle texture during insertion and wear. The gently tapering body guides entry gradually, reducing resistance and making the experience more comfortable for first-timers and experienced users alike.\u003c\/p\u003e\n\n\u003cp\u003eAluminium is non-porous, durable, and holds temperature well, warming to skin temperature quickly during use. The nickel-free alloy resists corrosion and discolouration, so it remains visually clear and hygienic over time. Its contoured shape means the widest point sits just inside the opening, allowing for controlled fullness without overwhelming pressure, making it practical for extended wear or shorter sessions.\u003c\/p\u003e\n\n\u003ch2\u003eThe features that matter\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHollow tunnel opening:\u003c\/strong\u003e Creates visual interest and allows sensation through the centre without adding internal bulk or discomfort.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRibbed neck texture:\u003c\/strong\u003e Provides subtle stimulation during entry and withdrawal, improving sensation without aggression.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGradual taper:\u003c\/strong\u003e The body widens slowly from tip to widest point, making insertion controlled and reducing the shock of sudden fullness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-porous aluminium:\u003c\/strong\u003e Resists bacterial growth, cleans easily with soap and water, and maintains its finish indefinitely with basic care.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature-responsive:\u003c\/strong\u003e Aluminium warms naturally to body temperature within seconds, creating a comfortable, familiar sensation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eMeasurements and materials\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal length:\u003c\/strong\u003e 63.5 mm from base to tip\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidest insertable diameter:\u003c\/strong\u003e 140 mm (approximately 4.4 cm circumference)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Nickel-free aluminium alloy, body-safe and hypoallergenic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurface:\u003c\/strong\u003e Smooth with ribbed detailing on the neck section\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Lightweight due to aluminium construction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClosure:\u003c\/strong\u003e None; solid one-piece design\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBox contents:\u003c\/strong\u003e b-Vibe See-Through Tunnel Butt Plug\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWorking up to a butt plug comfortably\u003c\/h2\u003e\n\n\u003cp\u003eBegin with relaxation—take time to breathe deeply and let your muscles settle before any insertion. Apply generous water-based lubricant to both the plug and your opening, then gently press the tapered tip against your entrance without forcing. Let your body adjust to the sensation; many people find that rocking gently side to side, rather than pushing straight in, helps the muscles release naturally and makes entry smoother.\u003c\/p\u003e\n\n\u003cp\u003eOnce the widest point passes the opening, most people feel relief as the body widens less beyond that threshold. If you are new to anal play, consider starting with \u003ca href=\"https:\/\/malechastity.com.au\/collections\/anal-balls\"\u003eAnal Balls\u003c\/a\u003e or a smaller plug to build familiarity before moving to this size. Depth matters less than comfort—if you feel sharp pain (not pressure or stretch), pause and add more lubricant. Wear time is personal; some use it for minutes, others for longer sessions once accustomed.\u003c\/p\u003e\n\n\u003ch2\u003eWho it suits\u003c\/h2\u003e\n\n\u003cdiv class=\"fit\"\u003e\n\u003cp\u003eThis plug works well for people exploring anal play who want visual interest and textured sensation without medical-grade sizing.\u003c\/p\u003e\n\u003cstrong\u003eGreat if you…\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eAre new to butt plugs and want a size that provides fullness without overwhelming pressure\u003c\/li\u003e\n\u003cli\u003eEnjoy visual elements and the aesthetic of see-through or hollow designs\u003c\/li\u003e\n\u003cli\u003eWant something that suits both solo exploration and partnered play\u003c\/li\u003e\n\u003cli\u003eAppreciate that \u003ca href=\"https:\/\/malechastity.com.au\/collections\/beaded-cock-plugs\"\u003eBeaded Cock Plugs\u003c\/a\u003e add external texture, whereas this plug's ribbed neck adds internal sensation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cstrong\u003eMaybe not if you…\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003ePrefer solid, non-hollow designs for straightforward internal pressure without visual or textured elements\u003c\/li\u003e\n\u003cli\u003eNeed a significantly larger size for advanced experience or specific depth play\u003c\/li\u003e\n\u003cli\u003eAre sensitive to aluminium or prefer silicone, glass, or stainless steel exclusively\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\n\n\u003cdiv class=\"safety\"\u003eAlways use plenty of water-based lubricant, never force insertion, and stop immediately if you experience sharp pain—pressure and stretch are normal, but pain is a warning to pause and reassess. \u003cstrong\u003eSafety first.\u003c\/strong\u003e Use only toys with a flared base or retrieval cord — anything without one can be drawn inside and require medical removal. Go slowly, use plenty of lubricant, and seek medical advice for bleeding or lasting pain. This information is general in nature only and is not medical or professional advice; it does not account for your individual circumstances. Stop use and seek medical advice if you experience pain, numbness, swelling, discolouration, bleeding or persistent irritation.\u003c\/div\u003e\n\u003ch2\u003eCare and storage\u003c\/h2\u003e\n\n\u003cp\u003eWash the plug promptly after use with warm soapy water and a soft cloth, paying attention to the ribbed neck and hollow opening where lubricant can collect. Rinse thoroughly under running water and dry completely with a lint-free towel before storage. Store in a cool, dry place away from direct sunlight to prevent any discolouration; a padded pouch or soft bag keeps it protected from dust and scratches indefinitely.\u003c\/p\u003e\n\n\u003ch2\u003eLearn more\u003c\/h2\u003e\n\n\u003cp\u003eAluminium plugs sit between silicone and glass in terms of weight, temperature response, and aesthetics, each suiting different preferences and play styles. Understanding the material you choose shapes how you approach insertion, cleaning, and storage. Read our guide \u003ca href=\"https:\/\/blog.adultsmart.com.au\/butt-plugs-for-gays\/\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eButt Plugs For Gays\u003c\/a\u003e for broader context on sizing, safety, and solo or partnered use.\u003c\/p\u003e\n\n\u003ch2\u003eWhat to expect\u003c\/h2\u003e\nby Risetob\n\n\u003cp\u003eThe 63.5 mm length is modest—most of the sensation comes from the widest point (140 mm diameter), not from deep insertion. First-timers often expect to feel it sitting much deeper than it does; in reality, this plug settles just inside the opening, which is by design. This means entry is usually quicker than with longer plugs, though you still need to take time and use adequate lubricant.\u003c\/p\u003e\n\n\u003cp\u003eThe hollow tunnel is both a practical and psychological feature. Functionally, it lightens the plug without reducing sensation; psychologically, many users find the see-through aspect engaging. The ribbed neck creates subtle texture as you insert and withdraw, which some notice immediately and others only during movement. It is not a vibrating or high-intensity sensation—it is tactile and gentle.\u003c\/p\u003e\n\n\u003cp\u003eAluminium is surprisingly warm-friendly; it reaches body temperature quickly, which most people find comfortable rather than shocking. Cleaning is straightforward—soap, water, and a cloth. The material does not absorb odours or stain, so storage is uncomplicated. People who struggle with silicone's drag or glass's weight often find aluminium a practical middle ground, though it is not for anyone with specific material sensitivities.\u003c\/p\u003e\n\n\u003cp\u003eSizing errors are rare with this plug because the 140 mm diameter is moderate and the tapered design is forgiving. The main mistake is underpreparing—rushing insertion or using too little lubricant. Users who take time and approach it as an exploration rather than a target usually find it comfortable and sustainable for the wear time they have in mind.\u003c\/p\u003e\n\n\u003ch2\u003eHow it compares\u003c\/h2\u003e\n\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eb-Vibe See-Through Tunnel\u003c\/th\u003e\n\u003cth\u003eSilicone Butt Plug (Standard)\u003c\/th\u003e\n\u003cth\u003eGlass Butt Plug (Solid)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eNickel-free aluminium alloy\u003c\/td\u003e\n\u003ctd\u003eBody-safe silicone\u003c\/td\u003e\n\u003ctd\u003eBorosilicate glass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eLightweight\u003c\/td\u003e\n\u003ctd\u003eVery light\u003c\/td\u003e\n\u003ctd\u003eModerate to heavy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature response\u003c\/td\u003e\n\u003ctd\u003eWarms to skin temperature quickly\u003c\/td\u003e\n\u003ctd\u003eStays neutral; warms slowly\u003c\/td\u003e\n\u003ctd\u003eStays cool; excellent for temperature play\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsertable diameter\u003c\/td\u003e\n\u003ctd\u003e140 mm (moderate)\u003c\/td\u003e\n\u003ctd\u003eVaries; typically 25–50 mm\u003c\/td\u003e\n\u003ctd\u003eVaries; typically 30–60 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDesign features\u003c\/td\u003e\n\u003ctd\u003eHollow tunnel with ribbed neck\u003c\/td\u003e\n\u003ctd\u003eUsually solid; smooth or textured finish\u003c\/td\u003e\n\u003ctd\u003eSolid; often clear or coloured\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVisual appeal\u003c\/td\u003e\n\u003ctd\u003eSee-through design with open centre\u003c\/td\u003e\n\u003ctd\u003eOpaque or translucent\u003c\/td\u003e\n\u003ctd\u003eClear or aesthetically bold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCleaning\u003c\/td\u003e\n\u003ctd\u003eWash with soap and water; air dry\u003c\/td\u003e\n\u003ctd\u003eWash with soap and water; air dry\u003c\/td\u003e\n\u003ctd\u003eWash with soap and water; air dry\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWorth adding to your collection?\u003c\/h2\u003e\n\n\u003cp\u003eGrab the b-Vibe See-Through Tunnel Butt Plug by COTR Inc if you want a moderate-sized plug that combines visual interest with practical comfort. Its hollow design and ribbed texture set it apart from standard options, and the aluminium build ensures durability and ease of care. Order it from Malechastity.com.au with discreet Australia-wide delivery, and start exploring with confidence. An Established Australian Adult Retailer.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"COTR Inc","offers":[{"title":"Metallic","offer_id":60964329914654,"sku":"NEW-12414-METALLIC","price":54.99,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0910\/8937\/1422\/files\/NEW-12414-METALLIC-1.jpg?v=1794394404","url":"https:\/\/malechastity.com.au\/products\/b-vibe-2-75-aluminium-hollow-tunnel-butt-plug","provider":"Male Chastity","version":"1.0","type":"link"}