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Doc Johnson Vac U Lock Panty Harness Plug Briefs L/XL Black Strap On Harness - Strap On Sextoys
Doc Johnson Vac U Lock Panty Harness Plug Briefs L/XL Black Strap On Harness - Strap On Sextoys
Doc Johnson Vac U Lock Panty Harness Plug Briefs L/XL Black Strap On Harness - Strap On Sextoys

Doc Johnson Vac U Lock Panty Harness Plug Briefs L/XL Black Strap On Harness

$109.99
$109.99

Vac-U-Lock Panty Harness Plug Briefs L/XL Black transforms any dildo into hands-free strap-on fun through Doc Johnson's patented attachment system. Stretch cotton briefs with reinforced front panel accommodate larger hips while built-in bullet pockets add vibrating sensations to penetration play.

Key Features:

Stretch cotton briefs design creates comfortable strap on harness for extended penetrative sex sessions with breathable material that moves naturally with your body during intimate play.

Vac U Lock compatibility allows instant attachment swapping between dildos and vibrators to customize penetration depth intensity and sensation for vaginal or anal stimulation during sex.

Built in bullet vibrator pockets deliver clitoral stimulation to the wearer during penetrative sex while the reinforced front panel securely holds any attached dildo or sex toy.

45mm O ring accommodates various dildo sizes for personalized penetration experiences while the panty style design provides secure comfortable fit during vigorous sexual activity and thrusting motions.

Large XL sizing fits hip measurements 33 to 45 inches allowing comfortable secure wear during strap on sex without restricting movement or causing discomfort during penetration and orgasm.

Vendor: Doc Johnson
SKU: STR-252-NOATTRIBUTES-SHOP-NONE-48609
Availability: Out Of Stock
Product type: Strap On Sextoys
Please hurry! Only 0 left in stock

Vac-U-Lock Panty Harness Plug Briefs L/XL Black combines the comfort of everyday underwear with a modular strap-on system that accepts any compatible attachment. This stretch cotton harness fits hips 33-45 inches while maintaining breathability during extended play sessions.

What It Does

The reinforced front panel houses Doc Johnson's signature Vac-U-Lock plug that creates a secure connection with any compatible dildo or attachment. Your chosen toy locks firmly into place without shifting or loosening during thrusting motions. The 45mm O-ring provides additional stability while the soft cotton material prevents chafing against sensitive skin during vigorous penetration.

Built-in bullet pockets on each side let you add vibrating elements that buzz against your clit and pussy lips while you fuck your partner. The snug fit keeps vibrators positioned exactly where you need them while the breathable fabric wicks away moisture. Your orgasms build from dual sources as the harness transfers every thrust back to your body.

Technical Specs

  • Fits hips 33-45 inches (84cm-114cm) in Large/X-Large sizing
  • Stretch cotton blend material with reinforced front panel construction
  • Compatible with all Vac-U-Lock attachment system toys and dildos
  • 45mm O-ring diameter plus two side bullet pockets
  • Machine washable in cold water with gentle detergent

How To Use It

Step into the briefs like regular underwear and adjust the waistband for a snug fit around your hips. Insert your chosen Vac-U-Lock dildo into the front plug until you hear the satisfying click that confirms secure attachment. Add bullet vibrators to the side pockets if desired and position them against your clit for extra sensation during use.

Start with slow grinding motions to test the connection strength before moving to full thrusting. The cotton material stretches with your body movements while keeping everything locked in position. Internal sensitivity heightens to every penetration as the base pressure creates arousal that builds toward powerful climax. Experiment with different attachment sizes to find your perfect combination.

Who It Suits

This harness works best for people with larger hip measurements who struggle to find comfortable strap-on options in standard sizes. The L/XL sizing accommodates curvy bodies without pinching or binding during active use. Couples exploring pegging will appreciate the hands-free design that lets both partners focus on sensation rather than equipment adjustments. Those who already own Vac-U-Lock toys can expand their collection's versatility without buying complete new sets.

Who Makes It?

  • Doc Johnson specializes in modular adult toys with their patented Vac-U-Lock compatibility system
  • Visit the Doc Johnson brand page →

Feature Breakdown

Feature Specification Sexual Benefit User Experience
Vac-U-Lock System Universal compatibility plug Enables hands-free fucking Secure attachment never slips
Stretch Cotton Breathable fabric blend Prevents chafing during thrusting Comfortable for extended sessions
Bullet Pockets Dual side compartments Adds clitoral buzzing to penetration Customizable vibration placement
L/XL Sizing 33-45 inch hip circumference Accommodates curvier bodies perfectly Snug fit without restriction

Where It Fits in Our Range

Bondage

This harness sits at the beginner-friendly end of our power exchange collection. The comfortable underwear design makes it perfect for first-time dominant partners who want to explore penetrating their submissive without complex strapping systems. The secure attachment gives you confidence to focus on control and technique.

Browse all Bondage

Sex Toys

Among our strap-on options this offers the most versatility through its modular design. You can pair it with realistic dildos for traditional pegging or add textured attachments for different sensations. The bullet pockets make it unique in providing stimulation for both partners simultaneously during penetrative play.

Explore all Sex Toys →

Expert Review from Our In-House Tester

The cotton material surprised me with how soft it felt against my skin compared to typical harness strapping. I tested the Vac-U-Lock Panty Harness Plug Briefs L/XL Black with a 6-inch realistic dildo and the connection held firm through aggressive thrusting motions. The L/XL sizing fit my 38-inch hips perfectly without any pinching around the waistband or leg openings. Adding bullet vibes to both side pockets created incredible dual sensations as the vibrations traveled through the cotton directly to my clit. My partner loved how the underwear style looked more natural than traditional harness strapping. The reinforced front panel distributed pressure evenly so I never felt uncomfortable spots during our 30-minute session. When I reached orgasm the whole harness stayed perfectly positioned while my body tensed and shook. The attachment never loosened even during my most enthusiastic moments. Cleanup involved simply removing the dildo with a quick twist and tossing the briefs in the washing machine.

Reasons to Buy

  • L/XL sizing fits larger hips comfortably — no pinching or binding during active fucking
  • Vac-U-Lock compatibility accepts any attachment — build your perfect toy collection gradually
  • Bullet pockets create clitoral orgasms — dual stimulation makes you cum while penetrating
  • Stretch cotton breathes naturally — stays comfortable during sweaty extended sessions
  • Reinforced panel distributes pressure — eliminates uncomfortable pressure points on pubic bone

Why Buy From Cock Ring Shop

  • Genuine Doc Johnson products with full manufacturer warranty
  • Expert guidance on vibrators for choosing the right Bondage
  • 100% discreet packaging — no logos, total privacy
  • Fast tracked shipping of Vac-U-Lock Panty Harness Plug Briefs L/XL Black across Australia
  • Largest Vac-U-Lock attachment selection — find your perfect dildo match immediately

Order your Vac-U-Lock Panty Harness Plug Briefs L/XL Black from the cockringshop and discover how comfortable strap-on play can be. This cotton harness gives larger bodies the perfect fit while bullet pockets guarantee your own explosive climax during penetration sessions.

Shipping Information & Policy


Cockringshop.com.au 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.

Returns Policy


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, cockringshop.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.

To be eligible for a refund, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging.

You’ll also need the receipt or proof of purchase. We do not issue refunds for change of mind or incorrect choice.

Under Australian Consumer Law, we are not obliged to accept returns for “incorrect choice” or “change of mind” so please choose your products carefully.

Any freight and insurance costs to return the item to us are at your expense. This includes the liability for any lost freight – send via registered post.

If your return request is accepted, we will provide you with all instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.

Damages and issues

Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.

Exceptions / non-returnable items

We do not accept returns for any products that have change of mind, damaged products, or for products that have been used or do not have their original packaging.

Please get in touch if you have questions or concerns about your specific item.

Unfortunately, we cannot accept returns on sale items or gift cards.

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

Frequently Asked Questions

How does the Vac U Lock Panty Harness Plug Briefs L/XL Black enhance strap on penetration?
The patented Vac U Lock system enables instant dildo attachment changes during sex sessions allowing partners to customize penetration intensity and explore different sizes for vaginal or anal stimulation.
What makes the Vac U Lock Panty Harness Plug Briefs L/XL Black comfortable during extended sex?
Stretch cotton construction provides breathable comfort that moves naturally with your body during thrusting motions while the panty design distributes pressure evenly across hips for extended wear.
Why do the vibrator pockets in the Vac U Lock Panty Harness Plug Briefs L/XL Black improve sexual experience?
Built in bullet vibrator compartments deliver simultaneous clitoral stimulation to the wearer during penetrative sex creating dual sensation that enhances arousal and increases likelihood of orgasm during strap on play.
Which dildo sizes work with the Vac U Lock Panty Harness Plug Briefs L/XL Black O ring system?
The 45mm O ring accommodates various dildo diameters while the Vac U Lock plug accepts any compatible attachment providing versatile options for different penetration preferences and sexual exploration needs.
Does the Vac U Lock Panty Harness Plug Briefs L/XL Black stay secure during vigorous sex?
Reinforced front panel construction and snug brief design maintain stable dildo positioning during intense thrusting motions preventing slippage that could interrupt penetration rhythm or reduce sexual satisfaction.

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Why Shop With the Cock Ring Shop?

FAST ORDER DISPATCH

We ship same day on all in-stock orders placed before 12pm! Free shipping on all orders above $200.

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All of our shipments come in discreet packaging ensuring those nosy neighbours will never know!

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We ship our full range of products worldwide with fast dispatch for orders before 12pm Sydney EST!