Vac-U-Lock harness with dual straps in L/XL size made from stretch cotton material
Key Features:
Secure Vac-U-Lock compatible dildo attachment system
Stretch cotton construction for comfortable fit
Dual-strap design provides maximum stability
Fits hip sizes 33"-50"
Integrated bullet vibe pocket for additional stimulation
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Wearing a harness that slips and shifts during play breaks the moment and wastes energy. The Vac-U-Lock Panty Harness Plug Dual Strap L/XL Black gives you a secure, stable base with quick-swap toy compatibility—so you stay focused on sensation, not adjustment.
This harness is a panty-style strap-on base built for stability and flexibility. Stretch cotton construction wraps securely around your hips, with dual straps that lock into place and a reinforced front panel that won't shift during use. The Vac-U-Lock system accepts any compatible attachment—dildos, plugs, or other toys—in seconds, letting you change play without stopping to readjust. Two pockets hold battery-powered bullet vibes for simultaneous stimulation. See the full BDSM Australia range of Strap-On-Me harnesses and compatible toys.
What sets this harness apart is its balance of comfort and control. The breathable cotton won't trap heat during long sessions, while the reinforced panels keep everything exactly where you need it. The O-Ring connection is rock-solid—no slipping, no fumbling. Whether you're exploring solo or with a partner, the dual-strap design distributes pressure evenly across your hips, so you can wear it for extended play without discomfort.
Step into the harness as you would underwear, then pull it up and secure the dual straps around your hips until snug. Insert a compatible Vac-U-Lock toy into the O-Ring by twisting gently clockwise until it locks. If using the vibe pockets, slide battery-powered bullets into each side pocket. Apply water-based lubricant to the toy and your partner's entry point, then position yourself and begin at a comfortable pace. Start shallow and build depth gradually, checking in with your partner throughout.
If you're switching toys mid-scene, simply twist the current attachment counterclockwise to release it, then lock in your next toy. The harness stays perfectly positioned—no readjustment needed. For solo exploration, the dual-strap design keeps everything stable even with vigorous movement. Explore Adam & Eve Sextoys to find compatible attachments that match your desired sensation, from realistic to abstract designs.
Hand wash the harness with mild soap and warm water after each use, paying attention to the seams and strap attachments. Rinse thoroughly and air dry completely before storing. Keep it in a cool, dry place away from direct sunlight and extreme heat. Store the Vac-U-Lock O-Ring separately if you prefer, and always use water-based lubricant to avoid degrading the material over time.
Understanding how harnesses fit your body and what attachment styles suit your needs will deepen your experience. Read Exploring The Positive Impact Of Sex Toys On Sexuality And Self Discovery to explore how strap-on play fits into your broader intimate life and preferences.
This harness has become essential to my control practice. The dual-strap design locks my submissive into absolute stillness—they cannot shift, cannot escape, cannot regain any sense of agency. My grip on them is total. What I love most is the psychological weight: once fastened, they know they belong entirely to me.
The Vac-U-Lock system transforms training into a ritual of power exchange. I deliberately make my submissive watch as I select the next attachment, building anticipation and dread in equal measure. Switching toys without removing the harness keeps them suspended in a state of constant vulnerability—they never know what's coming next, and that uncertainty is where true submission lives.
Integrating the vibe pockets into my sessions adds layers of control I rarely find elsewhere. My submissive receives sensation from multiple points simultaneously, their nervous system overwhelmed, their mind stripped of resistance. The harness becomes a tool of sensory domination, and I orchestrate every sensation they experience. This is where power exchange becomes art.
See this and similar tools in action across my 300+ training videos on the BDSM Australia channel.
| Feature | Vac-U-Lock Panty Harness Plug Dual Strap L/XL Black | Standard Cotton Harness (Single Strap) | Leather Strap-On Harness |
|---|---|---|---|
| Toy attachment | Vac-U-Lock (universal, quick-swap) | Fixed O-ring (limited toys) | Fixed O-ring or strap loops |
| Stability | Dual-strap reinforced design | Single strap; more drift | Excellent; heavyweight leather |
| Breathability | Stretch cotton; very comfortable | Standard cotton; moderate | Leather; heat retention |
| Built-in features | Two bullet vibe pockets | None | None |
| Best for | Versatile play, quick toy changes, sensation exploration | Budget-conscious, simple use | Aesthetic appeal, durability, power exchange feel |
Browse the Vac-U-Lock Panty Harness Plug Dual Strap L/XL Black at BDSM Australia when you want a harness that actually stays put and adapts to your mood. The dual straps lock you in, the O-Ring system swaps toys in seconds, and the vibe pockets add sensation without fuss. This is the harness you grab when comfort and control matter equally—and when you want to play longer without thinking about fit. Safe Shopping from an Established Australian Business.
BDSM Australia 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.
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, sex-toy.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.
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Damages and issues
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Exceptions / non-returnable items
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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 too.