Unity Double Penetration Strap On Harness

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.tdh-wrap{font-family:inherit;color:inherit;line-height:1.65;max-width:100%} .tdh-divider{border:0;height:1px;background:#e5e7eb;margin:1.25rem 0} /* Educational callout block */ . tdh-edu{background:#f8f9ff;border-left:4px solid #6366f1;padding:.85rem 1rem;border-radius:0 .5rem .5rem 0;margin:1rem 0} .tdh-edu p{margin:0;font-size:.97rem} /* Features table */ .tdh-glance{width:100%;border-collapse:collapse;margin:.5rem 0;font-size:.95rem} .tdh-glance td{padding:.45rem .6rem;vertical-align:top;word-break:break-word} .tdh-glance tr:nth-child(odd){background:#fafafa} .tdh-glance td:first-child{white-space:nowrap;padding-right:.85rem;width:42%} /* FAQ accordion */ .tdh-faq{margin:.5rem 0} .tdh-faq details{margin:.45rem 0;border:1px solid #e5e7eb;border-radius:.5rem;padding:.6rem .85rem} .tdh-faq details[open]{background:#fafafa} .tdh-faq summary{cursor:pointer;list-style:none;font-weight:600;font-size:.97rem;padding:.15rem 0} .tdh-faq summary::-webkit-details-marker{display:none} .tdh-faq details p{margin:.6rem 0 .2rem;font-size:.95rem;line-height:1.65} /* Quick answer callout */ .tdh-qa{background:#f0fdf4;border:1px solid #bbf7d0;border-radius:.5rem;padding:.7rem 1rem;margin:1rem 0;font-size:.95rem} /* CTA footer block */ .tdh-cta{background:#f9fafb;border:1px solid #e5e7eb;border-radius:.5rem;padding:.85rem 1rem;margin-top:1rem;text-align:center} .tdh-cta h3{margin:0 0 .4rem} .tdh-cta p{margin:0;font-size:.95rem} /* Disclaimer block */ .tdh-disclaimer{background:#fafafa;border:1px solid #e5e7eb;border-radius:.5rem;padding:.85rem 1rem;margin:1.5rem 0;font-size:.85rem;color:#666} .tdh-disclaimer p{margin:0;line-height:1.5} /* Accessory highlight block */ .tdh-accessory{background:#fff8f0;border:1px solid #fcd9a0;border-radius:.5rem;padding:.85rem 1rem;margin:1rem 0} .tdh-accessory h3{margin:0 0 .5rem;font-size:1rem} .tdh-accessory p{margin:0;font-size:.95rem} /* Accessibility */ .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0} /* Mobile */ @media(max-width:600px){ .tdh-glance td:first-child{white-space:normal;width:auto} .tdh-glance{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch} .tdh-edu,.tdh-qa,.tdh-cta,.tdh-disclaimer,.tdh-accessory{padding:.7rem .75rem} .tdh-faq details{padding:.5rem .65rem} } What is a dual-ring DP strap-on harness? A dual-ring harness features two O-ring positions on a single harness — one for standard strap-on penetration and a second that enables simultaneous double penetration. The wearer can mount one dildo at each ring for true DP, or use a single ring as a standard strap-on. For penis-having wearers, the second ring positions a dildo alongside their natural anatomy for simultaneous penetration without a fully strapless setup. The Unity Harness System extends this further with interchangeable metal and silicone rings, ultra-inclusive sizing up to 60-inch waist, and snap-on straps for tool-free dildo changes. In our experience curating DP harness systems, the dual-ring design unlocks more play configurations than any other single harness type — one purchase, unlimited scenarios. Product Description — Unity Double Penetration Strap On Harness Folks, meet the Unity Harness System — a fully adjustable dual-ring DP harness that fits waists up to 60 inches and accommodates virtually any O-ring compatible dildo for maximum versatility. Two snap-on ring positions allow single strap-on or true double penetration configurations. Four included rings (two silicone, two metal — in 1.75 and 2 inch sizes) let you choose between flexible give or weighted rigidity for different dildos and play styles. Lightweight nylon construction keeps total weight at just 0.42 lbs without sacrificing stability. Use one ring or both, for strap-on play, DP adventures, or as a cock ring harness. Dildos sold separately. Best for: Couples exploring double penetration, solo strap-on wearers wanting dildo versatility, penis-having folks seeking DP harness configurations. The 60-inch waist capacity makes this one of the most inclusive harnesses available. We've found that the interchangeable metal and silicone rings is the underrated feature — metal rings hold heavy dildos more rigidly during vigorous thrusting, while silicone rings give just enough flex for more forgiving fit. Always use water-based lube with silicone dildos. Ships from sunny California with discreet packaging, privacy-safe billing, and free mystery goodies. Quick specs: Dual O-ring positions (1.75 in and 2 in), 4 included rings (2 metal + 2 silicone), nylon harness fits waists up to 60 in circumference, 0.75 in straps, snap closures, black, 0.42 lbs. Dildos sold separately. 🔮 Featured Compatible Dildos Looking for the perfect fantasy dildo to pair with this harness? Our glitter silicone Magic Stick collection is harness-ready and body-safe. Browse the Magic Stick Glitter Silicone Dildo 9.5 Inch for dramatic length, or the Magic Stick Glitter Silicone Dildo 8 Inch for a versatile mid-size option. Both are phthalate-free, silicone, and O-ring harness compatible. Key Features At-a-glance features for the Unity DP Strap-On Harness Dual O-ring positions Two ring placements enable single strap-on or true double penetration configurations. Fits up to 60 inch waist Ultra-inclusive sizing — one of the widest-fitting harnesses available. 4 rings included Two 1.75 in and two 2 in rings in both metal (rigid) and silicone (flexible) versions. Snap-on strap system Tool-free ring attachment for quick dildo changes between sessions or positions. Metal ring option Weighted rigidity keeps heavy or thrusting dildos firmly positioned during vigorous sex. Silicone ring option Slight stretch accommodates varied dildo base sizes with forgiving, comfortable fit. Cock ring harness mode Penis-having wearers can use the rings as a cock ring harness for DP with natural anatomy. Fully adjustable nylon straps 0.75 in nylon straps cinch down to fit securely without chafing during extended wear. Lightweight 0.42 lbs Minimal weight ensures the harness doesn't fatigue the wearer during longer sessions. Discreet shipping Plain packaging, no product names or logos. Specifications & Care Measurements & Included Hardware O-ring sizes: 1.75 in and 2 in inner diameter Rings included: 4 total — one 1.75 in metal, one 2 in metal, one 1.75 in silicone, one 2 in silicone Harness waist capacity: Up to 60 in circumference (fully adjustable) Strap width: 0.75 in nylon Attachment method: Snap-on straps (tool-free) Ring positions: Dual (enables DP or single strap-on) Materials: Nylon (straps), silicone (silicone rings), metal (metal rings) Color: Black Weight: 0.42 lbs (191 g) Dildos sold separately — compatible with most O-ring harness dildos Lube: Depends on dildo material used — water-based lube with silicone dildos How to Use Choose your ring size based on your dildo's base diameter — 1.75 inch for smaller bases, 2 inch for larger ones. Select metal rings for rigid hold (recommended for heavier dildos or vigorous thrusting) or silicone rings for flexible give (recommended for varying base sizes or comfort-focused sessions). Snap the chosen ring onto the harness strap at your preferred position. Thread your dildo base through the ring so it sits snugly. In our experience with dual-ring harness systems, mounting the primary penetrating dildo at the front position first, then adding any secondary dildo to the second ring, makes positioning easier than trying to thread both simultaneously. Pull the harness on and cinch the nylon straps until snug against your hips — the harness should feel secure without cutting into skin. The 0.75-inch straps distribute pressure comfortably across the waist even at the maximum 60-inch capacity. For single strap-on use, only the front ring position is needed. For double penetration, mount a dildo at each ring position — one targeting vaginal penetration, one targeting anal, or both vaginal for intense simultaneous fullness depending on your partner's preferences and anatomy. For penis-having wearers using the cock ring harness configuration, thread your penis and testicles through one ring (positioned against your body) while mounting a dildo at the second ring for true simultaneous DP. Customer feedback consistently shows that the metal ring option holds this configuration most securely during active thrusting — the rigid metal prevents ring shift that can occur with silicone during vigorous movement. Care & Safety Dildo compatibility: Works with any dildo featuring a flared O-ring compatible base. Measure your dildo's base diameter and select the matching ring size (1.75 or 2 inch). Bases should pass through the ring with minimal gap. Ring selection guidance: We recommend metal rings for heavy dildos (over 1 lb) or during vigorous sex — the rigidity prevents the dildo from drooping or shifting. Silicone rings work better for lighter dildos or situations where base size varies slightly. Lube with dildo material: Always match lube to your dildo's material — water-based lube for silicone dildos, water or silicone lube for PVC or TPR. Never use silicone lube with silicone dildos. Cleaning: Hand wash nylon straps and silicone rings with warm water and toy cleaner. Wipe metal rings clean and dry immediately to prevent rust. Do not machine wash the harness. Partner communication for DP: Double penetration requires clear, ongoing communication with your partner about comfort, depth, and pacing. Establish clear signals before the session — especially for simultaneous DP where internal pressure increases significantly. Storage: Store harness coiled or flat, away from direct sunlight to preserve nylon strap integrity. Keep metal rings dry to prevent oxidation. Why You'll Love It The Unity Harness System delivers genuine versatility that single-ring harnesses simply can't offer. Two O-ring positions mean you're not locked into one configuration — run a single dildo for strap-on sex one session, mount two for true DP the next, or use it as a cock ring harness for penis-having wearers wanting to add a second penetration point to their natural anatomy. Four included rings (two sizes, two materials) extend that versatility further: swap between metal rigidity and silicone flex to match the dildo weight and play intensity of any given session without buying additional hardware. The 60-inch waist capacity is the inclusivity standout. In our years curating strap-on harnesses, we've found that most harnesses max out at 40-50 inches, excluding a significant portion of folks who want to explore strap-on play. The Unity's nylon strap system adjusts all the way to 60 inches without compromising ring stability or strap security — the snap-on system holds firm regardless of waist size. The lightweight 0.42 lbs construction means even extended DP sessions don't fatigue the wearer, keeping focus on pleasure rather than equipment management. Whether you're building a first strap-on kit around a versatile harness, upgrading to DP capability from a single-ring setup, or exploring cock ring harness configurations for simultaneous penetration, the Unity delivers a world of penetration possibilities from one adaptable foundation. Pair it with our Magic Stick Glitter Silicone Dildo 9.5 Inch or Magic Stick Glitter Silicone Dildo 8 Inch for a complete fantasy-style DP setup right out of the gate. Frequently Asked Questions What is the difference between the metal and silicone rings? Metal rings are rigid with no give — they hold the dildo base firmly in one position regardless of movement or dildo weight. This makes them ideal for heavier dildos (over 1 lb), vigorous thrusting, or situations where dildo stability is critical (DP configurations). Silicone rings have slight stretch and flexibility — they accommodate minor base size variations more forgivingly, feel more comfortable against the body, and work better for lighter dildos or gentler sessions. Customer feedback shows that most experienced users keep both available and choose based on the dildo weight they're using that session. How does double penetration actually work with this harness? Mount a dildo at each of the two O-ring positions. Positioning depends on the play you want — one ring forward and one slightly lower for vaginal + anal DP, or both angled for dual vaginal if that's the goal. The wearer's thrusting motion drives both dildos simultaneously. In our experience, starting with the larger dildo at the primary (front) ring position and the smaller at the secondary provides easier entry for the receiving partner during initial penetration. Always establish clear communication signals with your partner before attempting DP. How does the cock ring harness configuration work? Penis-having wearers thread their penis through one ring (like a cock ring, positioned against the body at the base of the shaft), with testicles hanging through the base opening. A dildo is then mounted at the second ring position, sitting alongside the natural penis for simultaneous DP. The metal ring option works best here — it maintains firm positioning of both the cock ring function and the dildo mount during active thrusting. We recommend ensuring the cock ring fits comfortably before a session — snug enough to stay in place without restricting blood flow. What dildo base diameter works best with each ring size? The 1.75-inch ring works best for dildos with bases measuring 1.5-1.75 inches in diameter — snug enough to prevent movement without forcing. The 2-inch ring accommodates bases from 1.75-2 inches diameter. Customer feedback shows that using the silicone ring version allows a bit more flexibility here — a 1.9-inch base can fit the 2-inch silicone ring with a slightly snug stretch. Metal rings require a closer match to the stated diameter for optimal security. When in doubt, measure your dildo base before selecting ring size. Does this harness work for plus-size bodies at 60 inches waist? Yes — the 60-inch capacity is specifically designed for inclusive sizing. The nylon straps cinch fully from smaller waists all the way to 60 inches without compromising ring stability. Customer feedback consistently shows that plus-size wearers appreciate both the waist capacity AND the lightweight 0.42 lbs construction — heavy harnesses become uncomfortable quickly at larger sizes, while this featherlight nylon system remains comfortable throughout extended sessions regardless of body size. Can I use my existing dildos with this harness? Yes — any dildo with an O-ring compatible flared base works with this harness. The base needs a flat flange that's wider than the ring opening so it can't pass through. Suction cup bases also work with O-ring harnesses. The two ring sizes (1.75 and 2 inches) cover the majority of standard harness-compatible dildo bases on the market. We recommend measuring your dildo's base before assuming compatibility — bases significantly larger than 2 inches won't fit through either ring opening. Are the Magic Stick glitter dildos the best pairing for this harness? The Magic Stick 9.5 Inch and Magic Stick 8 Inch are both excellent pairings — premium silicone construction, harness-compatible bases, and stunning glitter aesthetic that pairs beautifully with the Unity's clean black design. For DP configurations, using one of each size (9.5 + 8 inch) provides size differentiation between penetration points that many people find comfortable. Both are phthalate-free and body-safe, pairing well with the harness for DP adventures. One harness. Unlimited penetration configurations. Add the Unity Double Penetration Strap On Harness to your cart for discreet California shipping, privacy-safe billing, and a mystery gift in every order. Product Disclaimer: These products as with all products on this site are supplied AS IS. No warranty is given either implied or expressed. Products are intended as novelty only, and no representation is made or implied as to their suitability or safety for any particular use. Purchasers use the products entirely at their own risk. The manufacturer or TheDildoHub is not liable for any direct, indirect, incidental or consequential damage or loss howsoever arising caused by use or misuse of the products. This includes, but is not limited to, damage to the products and personal injury or damages due to use or misuse. Show more