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Vac-U-Lock Platinum Supreme Harness with Plug

$89.99
$89.99

Strap-on harness with patented vacuum attachment system. Cushioned neoprene construction adjusts up to 60 inches for secure, hands-free play.

Key Features:

Patented vacuum system creates unbreakable seal during play

Cushioned neoprene construction prevents chafing and pressure points

Adjusts up to 60 inches for secure custom fit

Open crotch design maintains intimate access throughout sessions

Snap front mechanism allows quick attachment swapping easily

Vendor: Doc Johnson
SKU: STR-272-NOATTRIBUTES-WAREHOUSE-NONE-51000
Availability: Out Of Stock
Product type: Strap On Sextoys
Please hurry! Only 0 left in stock

The Vac-U-Lock Platinum Supreme Harness with Plug is a strap-on harness system that uses patented vacuum technology to lock attachments securely in place during penetrative play. Built with cushioned neoprene, it adjusts up to 60 inches and eliminates slippage that frustrates couples mid-session.

The basics
  • Type: Adjustable strap-on harness with vacuum-lock attachment system
  • Material: Black neoprene with cushioned back panel for comfort during extended wear
  • Size: Adjustable waist closure accommodates up to 60 inches
  • Closure: Pull-to-tighten straps with snap-front access for quick attachment changes
  • Use: Designed for couples during penetrative play with compatible Vac-U-Lock toys
  • Care: Wipe clean after use; compatible attachments wash separately under warm water
🚚 Fast, tracked Australian shipping🔒 Plain, discreet packaging & billing✅ Genuine brands, backed by warranty💬 Product & sizing help whenever you need it

A closer look

The Vac-U-Lock Platinum Supreme Harness with Plug uses patented vacuum technology to create an airtight seal that grips any compatible attachment without slipping or twisting. The harness body is constructed from cushioned neoprene with a reinforced back panel, made to sit comfortably against your body during intense sessions. An open crotch design maintains access while the snap-front mechanism lets you swap attachments without removing the harness entirely.

What separates this from basic O-ring harnesses is the reliability of the vacuum lock combined with genuine comfort engineering. Where standard anal sex toys often require adjustment mid-session, this system's seal remains consistent, letting you focus entirely on sensation rather than managing the hardware.

What stands out

  • Vacuum seal technology: Creates an unbreakable connection that eliminates slipping, shifting or losing rhythm during vigorous play.
  • Cushioned construction: Neoprene back panel with padding prevents chafing and pressure points during extended sessions.
  • Universal compatibility: Works with all Vac-U-Lock attachments plus standard strap-on compatible toys for flexibility.
  • Snap-front access: Quick-release mechanism lets you change attachments without removing the entire harness.
  • Adjustable fit: Pull-to-tighten straps dial in your exact comfort level regardless of body shape or size.

Technical specifications

  • Material: Black neoprene with cushioned back panel
  • Waist size: Adjustable up to 60 inches (152 cm) with pull-tighten straps
  • Attachment system: Patented Vac-U-Lock vacuum mechanism on front snap connector
  • Crotch design: Open access with integrated attachment point
  • Weight: Lightweight harness body for comfortable extended wear
  • Box contents: Harness unit with integrated Vac-U-Lock plug, care guide

Getting started with an anal toy

Before your first session, inspect the harness seams and test all straps. Put on the harness and tighten it so it sits snugly against your body without cutting off circulation. The fit should feel secure but not restrictive—you should be able to slide one finger under the straps comfortably. Use generous amounts of Anal Lubricant on both the attachment and the receiving partner's anal opening to ease insertion and reduce friction.

Slide the attachment into the front snap connector until you hear a slight click—the vacuum seal engages automatically. Start slowly to let the receiving partner adjust to the size and sensation. The harness stays put during movement, but check comfort between position changes. After play, carefully separate the attachment by gently pulling away—the seal releases without effort. Wash both harness and attachment with warm water and mild soap, then air dry thoroughly.

Who gets on with it

This harness suits couples who have tried basic systems and want reliability that doesn't interrupt flow, or anyone exploring Anal Balls and other anal toys alongside strap-on play.

Great if you…
  • Want a harness that stays exactly where you place it without slipping or twisting during intense movement
  • Have experienced chafing or discomfort with basic elastic harnesses and appreciate genuine cushioning
  • Prefer a harness that accommodates different body shapes and sizes with adjustable pull-tighten straps
  • Appreciate universal compatibility so you can use multiple Vac-U-Lock attachments interchangeably
Maybe not if you…
  • Are completely new to strap-on play—a simpler, cheaper basic harness might teach the fundamentals first
  • Have very limited mobility or hand strength, as operating the snap mechanism requires some dexterity
Always use plenty of lubricant during anal play, start slowly to allow gradual relaxation, and stop immediately if sharp pain occurs—pressure and discomfort are different sensations, and sharp pain signals you need to pause. Safety first. 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.

Care and storage

Wash the harness after every use with warm water and mild soap, paying special attention to seams and the attachment connector. Rinse thoroughly and air dry completely before storage—moisture trapped in neoprene can develop odour over time. Store in a cool, dry place away from direct sunlight, which can fade the black neoprene. Keep compatible attachments stored separately to prevent the vacuum seal from becoming weak between uses.

Learn more

Understanding anal play techniques, relaxation methods and sensation progression will help you get more from any harness system. Read our Anal Sex Toys Guide for detailed guidance on preparation, positioning and aftercare across different anal play activities.

What to expect

by Risetob

The vacuum seal technology feels noticeably different from standard O-ring harnesses on first use. Most people notice immediately that the attachment has virtually no play or wiggle—the connection stays rigid throughout movement and position changes. This removes a common frustration point, but it also means you need to ensure correct positioning before the seal engages, since readjusting mid-session requires breaking the vacuum.

First-time users often report surprise at how comfortable the cushioned back actually is during longer sessions. The neoprene distributes pressure evenly across your body rather than concentrating it on thin straps. What takes adjustment is learning to create a proper seal—slide the attachment in slowly and ensure it's fully seated in the snap connector for vacuum engagement.

Cleaning is straightforward because neoprene resists odour better than fabric alternatives, and the seams are well-sealed. The main wear point is the snap mechanism itself, which remains strong through hundreds of sessions if handled gently. Couples who switch between multiple Vac-U-Lock attachments find the universal compatibility invaluable for variety without buying different harnesses.

Weight is minimal, so fatigue isn't typically an issue even during extended sessions. The adjustable straps mean the harness grows with you or accommodates fluctuations in body shape—many users find one harness works for years without replacement.

How it compares

Harness Type Attachment Security Comfort for Extended Wear Ease of Cleaning Compatibility Range Best Suited For
Vac-U-Lock Platinum Supreme Vacuum seal — zero slippage Cushioned neoprene back panel Wipe and wash neoprene easily All Vac-U-Lock plus standard toys Couples prioritising rock-solid connection and comfort
Basic O-Ring Harness Elastic straps with standard ring Minimal padding, can cause chafing Machine washable fabric straps Attachment-specific rings only Beginners learning strap-on basics on a simple
Leather Harness System Metal hardware with D-rings Heavy-duty but requires break-in period Hand-clean leather, oil conditioning needed Standard ring-style attachments Users wanting durability and aesthetic appeal over extended years

The bottom line

Get the Vac-U-Lock Platinum Supreme Harness with Plug if you want a strap-on system that actually stays put while you focus on sensation rather than adjustment. The vacuum lock eliminates frustration, the cushioned neoprene prevents chafing, and adjustable straps fit most body shapes. Order it from Malechastity.com.au with discreet Australia-wide delivery and experience the difference professional-grade vacuum technology makes during partner play. Service That Keeps Customers Coming Back.

Malechastity.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.

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, Maleshastity.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 too.

Frequently Asked Questions

What is the Doc Johnson Vac-U-Lock Platinum Supreme Harness with Plug and what type of strap-on system is it?
A premium strap-on harness system, the Doc Johnson Vac-U-Lock Platinum Supreme uses patented vacuum technology to secure attachments without slipping. Built with cushioned neoprene construction and pull-to-tighten straps, it adjusts up to 60 inches for comfortable, worry-free play during intense sessions.
How does the Doc Johnson Vac-U-Lock Platinum Supreme Harness with Plug create such secure attachment during use?
Patented vacuum technology creates an airtight seal when you slide compatible attachments into the plug, gripping like a vice without any wiggle or movement. This unbreakable connection eliminates the frustration of slipping or shifting that happens with basic O-ring harnesses during vigorous play.
Can the Doc Johnson Vac-U-Lock Platinum Supreme Harness with Plug be worn comfortably during extended sessions?
Cushioned back panel and smooth neoprene construction prevent chafing and pressure points during long play sessions. The open crotch design maintains intimate access while the snap front allows quick attachment changes without removing the entire harness, keeping you comfortable throughout.
Who would benefit most from using the Doc Johnson Vac-U-Lock Platinum Supreme Harness with Plug?
Couples who have tried basic harnesses and want zero slippage during intense play, comfort seekers tired of chafing from cheap systems, and anyone wanting professional-grade vacuum technology that eliminates interruptions to readjust. Perfect for those seeking unbreakable connection and smooth performance.
Where can you purchase the Doc Johnson Vac-U-Lock Platinum Supreme Harness with Plug in Australia?
Available now at MaleChastity.com.au with discrete shipping Australia-wide for complete privacy and confidence. Order online to experience the difference that professional-grade vacuum technology makes in your intimate moments with secure, private delivery.

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