Luxe Harness with Plug Vac-U-Lock combines secure Vac-U-Lock compatibility with smooth neoprene construction for confident strap-on play. Adjusts up to 69 inches with pull-to-tighten straps and open crotch design for maximum access during penetrative sessions.
Key Features:
The adjustable neoprene harness fits waists up to 69 inches with pull to tighten straps providing secure attachment for dildos and vibrators during penetration and sexual play for all genders.
Patented Vac U Lock technology creates vacuum suction to hold attachments firmly in place preventing slipping during vigorous thrusting and penetration for consistent stimulation and orgasm achievement.
Open crotch and rear design allows simultaneous clitoral stimulation and anal access while wearing the harness enabling multiple forms of sexual pleasure and arousal during intimate encounters.
Compatible with all Vac U Lock attachments plus standard strap on dildos through included O rings offering versatility for vaginal penetration anal play and various sexual positions and activities.
Smooth black neoprene construction provides comfortable wear during extended sexual sessions while the snap front enables quick dildo swapping for different sizes and stimulation patterns.
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Luxe Harness with Plug Vac-U-Lock by Doc Johnson is a strap-on harness that uses patented vacuum-lock technology to eliminate sex toy slipping during penetrative play. Medical-grade neoprene and adjustable straps keep it firmly in place, so you thrust with confidence.
Why choose the Luxe Harness with Plug Vac-U-Lock by Doc
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📦 Discreet plain-wrapped delivery • 💳 Private billing • ↩️ Easy size-swap returns |
Doc Johnson's patented vacuum-lock plug creates an unbreakable seal between harness and attachment. Once you insert the sex toy until you hear the click, it stays locked in place no matter how hard you thrust. This solid connection transfers every movement directly, so you feel exactly what your partner feels and can respond to their reactions in real time.
Smooth black neoprene sits flat against your skin while pull-to-tighten straps distribute weight evenly across your hips and waist. Unlike fabric harnesses that shift and loosen, this stays put so you can focus on rhythm, angle, and depth instead of constantly readjusting. Your partner feels the difference immediately—steady pressure and consistent penetration that builds toward climax. Browse Strap On Me for harnesses and attachments that pair well with vacuum-lock systems.
Measure your waist snugly over underwear to find your starting point—this harness adjusts up to 69 inches, so most people find a comfortable fit. Put it on, then tighten the pull-to-tighten straps so the neoprene sits flat against your skin without pinching. You should be able to slip one finger under the straps at the hips. Cockringshop specialise in products for men and couples, and our team can help you choose the right fit for extended wear. Comfort matters more than ego here—a harness that's too tight cuts circulation and ruins your session.
Start by inserting your Vac-U-Lock compatible sex toy into the plug until you hear the vacuum seal click into place. Gently tug the attachment to test the connection—properly sealed sex toys won't budge even under pressure. Adjust the waist and leg straps for a snug but comfortable fit, then test your range of motion before you start with your partner.
Begin with shallow thrusts to gauge angle and depth, then increase tempo as you find your rhythm. Because the vacuum system transfers every movement directly, you'll feel when you hit the right spots through your partner's response. Use the open crotch access to stroke your own cock or rub your clit during fucking, or have your partner reach through to touch you while you penetrate. Hand wash with gentle detergent after use and lay flat to dry.
| Feature | Specification | Benefit | Experience |
|---|---|---|---|
| Vac-U-Lock System | Patented vacuum seal plug | Eliminates sex toy wobbling during fucking | Confident thrusting without interruption |
| Neoprene Construction | Medical-grade black material | Provides comfortable extended wear | Smooth against skin during long sessions |
| Pull-Tighten Straps | Adjustable to 69 inch waist | Maintains secure fit during movement | No loosening or shifting problems |
| Open Crotch Design | Full access to genitals and rear | Allows stimulation while fucking | You and your partner stay connected to sensation |
Anyone frustrated with traditional O-ring slippage will love this harness. If you want reliable strap-on performance without constant readjustment interruptions, the vacuum-lock system does exactly that. Couples exploring power dynamics appreciate the confidence boost from equipment that performs flawlessly every time. People who enjoy extended sessions benefit from the even weight distribution and smooth neoprene.
Skip this if you prefer ultra-lightweight harnesses or need to swap sex toys quickly during a single session. If you already use a harness system you love and have no issues with fit or slipping, there's no reason to change. The vacuum-lock plug is designed for Vac-U-Lock compatible attachments, so check your sex toys before ordering.
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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 → |
Traditional O-ring harnesses rely on friction to hold sex toys in place, which means they can slip during vigorous thrusting or shift as you move. Vacuum-lock systems create an airtight seal that holds attachments rock-solid, so your sex toy stays exactly where you put it. O-ring harnesses are cheaper and work with more sex toy types, but they require tighter straps and more frequent readjustment. If you want rock-solid stability and don't mind owning sex toys designed for the system, browse Pornhub Sextoys for other harness options and attachment types.
| 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. |
Pair this harness with Anal Sex Toys to give your partner double penetration during strap-on play—one attachment in the harness and one for their ass. This combination intensifies sensation for both of you and lets you control depth and tempo on both fronts. Make sure both sex toys are compatible with your harness system before you start.
Doc Johnson specialises in innovative sex toys built around patented Vac-U-Lock technology. Doc Johnson offers a range of harnesses, attachments, and compatibility systems designed to work seamlessly together for reliable performance.
Want to understand how strap-on harnesses fit into the bigger picture of penetrative play? The Mind Blowing Strapless Strap On Evolution covers the evolution of harness design and technique over time.
Ready to buy with your size sorted? The Luxe Harness with Plug Vac-U-Lock by Doc Johnson is genuine and function-tested at The Cock Ring Store. We quality-check every item and ship in discreet packaging so your order arrives privately. Cockringshop offers fast, reliable service and a wide range of strap-on sextoys for couples and individuals. Australia's cock ring specialists, helping you buy with confidence. The Cock Ring Store ships discreetly Australia-wide.
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1. Major City & Metro Areas (within Australia)
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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.
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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
We ship same day on all in-stock orders placed before 12pm! Free shipping on all orders above $200.
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