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Vac-U-Lock Suction Cup Large By Doc Johnson - Strap On Sextoys
Vac-U-Lock Suction Cup Large By Doc Johnson - Strap On Sextoys
Vac-U-Lock Suction Cup Large By Doc Johnson - Strap On Sextoys

Vac-U-Lock Suction Cup Large By Doc Johnson

$39.99
$39.99

Large suction cup base from Doc Johnson that secures Vac-U-Lock attachments to smooth surfaces for hands-free play

Key Features:

Universal compatibility with Vac-U-Lock attachments

High-grade silicone construction for durability

Powerful suction mechanism for secure mounting

Enables hands-free sexual experiences

Transforms any smooth surface into play area

Vendor: Doc Johnson
SKU: ACC-113-NOATTRIBUTES-SHOP-NONE-46057
Availability: Out Of Stock
Product type: Strap On Sextoys
Please hurry! Only 0 left in stock

Hands-free play demands a mount you can trust. The Vac-U-Lock Suction Cup Large locks your attachment firmly to any smooth surface, freeing both your hands to focus on sensation and control without compromise.

At a glance
  • Diameter: 5.5 inches
  • Material: Body-safe silicone
  • Mount type: Mechanical suction (no batteries)
  • Compatibility: Universal Vac-U-Lock attachments
  • Best for: Smooth surfaces—tile, glass, mirrors
  • Pull tab: Easy removal and repositioning
🚚 Plain, discreet packaging🔒 Discreet billing↩︎ Hygiene-conscious returns policy

What it is

The Vac-U-Lock Suction Cup Large is a heavy-duty mounting base engineered for stability and versatility. Its 5.5-inch diameter cup creates a powerful vacuum seal on smooth surfaces, allowing you to attach compatible dildos and attachments hands-free. The body-safe silicone construction resists bacteria and cleans easily, while the integrated pull tab lets you reposition or remove the cup without surface damage or residue.

What sets this base apart is its universal Vac-U-Lock compatibility and mechanical reliability. No batteries, no electronics—just a physics-backed grip that holds firm through varied angles and intensities. See the full BDSM Australia range of Strap-On-Me to explore compatible attachments designed to work seamlessly with this mounting system.

Key features

  • Large suction base: 5.5-inch diameter provides maximum stability for substantial attachments and extended play.
  • Body-safe silicone: Non-porous material resists bacterial growth and sanitises quickly with soap and water.
  • Universal mounting: Vac-U-Lock plug design connects to hundreds of compatible dildos and accessories from multiple brands.
  • Mechanical suction: No power required—reliable hands-free positioning on tile, glass, mirrors, and other smooth surfaces.
  • Pull-tab design: Effortless removal and repositioning without damaging walls or leaving sticky residue behind.

Specifications

  • Base diameter: 5.5 inches, providing broad surface contact for secure vacuum seal.
  • Material: 100% body-safe silicone, non-porous and hypoallergenic.
  • Power: Mechanical suction only—no batteries, charger, or electronics.
  • Mounting system: Integrated Vac-U-Lock plug accepts all compatible Vac-U-Lock attachments.
  • Surface compatibility: Works on clean, smooth, dry surfaces including tile, glass, mirrors, and acrylic.
  • Package contents: One Vac-U-Lock Suction Cup Large base with mounting system.

How to use a strap on sextoy

Start with a clean, dry, smooth surface—bathroom tile, glass shower wall, or mirror work best. Press the suction cup firmly onto the surface and twist slightly to create a tight vacuum seal. Attach your chosen Vac-U-Lock dildo or accessory to the mounting plug on top, ensuring it sits flush and secure. Test stability by gently tugging before beginning play, and adjust positioning if needed.

Once mounted, you're free to move at your own pace and angle. Experiment with vertical and horizontal surfaces to vary sensation and depth. The Strap On Dildos collection offers compatible options in different sizes, textures, and materials to suit your preference. When finished, use the integrated pull tab to release the suction cup cleanly, then remove and clean your attachment thoroughly.

Always use plenty of water-based lubricant, start slowly, and communicate clearly if using with a partner; clean both the cup and attachment with warm soapy water after each use and let dry completely before storage. Safety first. This information is general in nature only and is not medical or professional advice; it does not account for your individual circumstances. Discontinue use immediately if you experience pain, numbness, discolouration, irritation or discomfort, and seek advice from a qualified medical professional if you have a relevant health condition or if symptoms persist.

Care and storage

Wash the suction cup and any attached toys with warm water and mild soap immediately after use. Dry thoroughly with a soft cloth before storing. Keep in a cool, dry place away from direct sunlight and heat. Avoid silicone-based lubricants, which can degrade the material over time. Store separately from other toys to prevent dust accumulation.

Learn more

Understanding how to choose and care for mounting systems enhances your play experience. Read more about innovative approaches to adult toys and accessories in Insights From Evolved On Innovative Adult Toys. This resource covers material safety, maintenance, and how different mounting solutions fit into varied play scenarios.

Mistress Athena's training notes

The Vac-U-Lock Suction Cup Large has become indispensable in my practice. Its rock-solid grip transforms any scene space into a controlled arena where my submissive has nowhere to hide. Positioning it at varying heights and angles allows me to dictate exactly how vulnerable they become, stripping away their sense of control entirely.

What I appreciate most is the psychological edge it provides. My submissive knows the attachment won't slip or fail—their only option is to surrender to what I've chosen for them. The pull tab means I can reposition quickly between scenes, keeping them perpetually uncertain about what comes next.

Hands-free mounting frees me to administer impact, restraint, or sensory play while they remain fixed in place. Watching them struggle against the suction's grip, unable to escape, never grows old. Different Vac-U-Lock attachments let me escalate intensity or switch techniques without breaking scene momentum.

See this and similar tools in action across my 300+ training videos on the BDSM Australia channel.

How it compares

Feature Vac-U-Lock Suction Cup Large Standard Suction Cups Harness-Based Mounting
Hands-free play Yes, completely Yes, but less stable Requires wearing harness
Stability on smooth surfaces Excellent 5.5-inch base Moderate, smaller diameter N/A—body-mounted
Attachment compatibility Universal Vac-U-Lock range Brand-specific only Harness-specific attachments
Setup and removal Quick with pull tab Can be stubborn More time to put on/take off

Why you'll reach for it

Shop at BDSM Australia for the Vac-U-Lock Suction Cup Large when you want total freedom during hands-free play. Its powerful suction and universal compatibility make it the anchor point for endless attachment options. Whether you're exploring new angles, extending scenes, or simply wanting both hands free to focus on sensation, this cup delivers reliable, no-compromise mounting every time. Service That Keeps Customers Coming Back.

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.

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 Vac-U-Lock Suction Cup Large?
The Vac-U-Lock Suction Cup Large is a premium mounting accessory designed to securely attach dildos and body wands to smooth surfaces, providing stable, hands-free sexual experiences with universal compatibility.
Should users consider the Vac-U-Lock Suction Cup for different surfaces?
Users should consider this suction cup for multiple smooth surfaces like tiles, glass, and mirrors, ensuring a secure and stable mounting solution for various sexual positioning and exploration scenarios.
Will the Vac-U-Lock Suction Cup support heavy attachments?
The Vac-U-Lock Suction Cup will support most standard-weight Vac-U-Lock compatible dildos and attachments, creating a reliable mounting point that maintains stability during intense sexual play and movements.
Does the Vac-U-Lock Suction Cup enhance sexual positioning?
The suction cup dramatically enhances sexual positioning by allowing hands-free mounting of attachments, enabling users to explore different angles, depths, and stimulation techniques without manual holding.
How does the Vac-U-Lock Suction Cup function in BDSM play?
In BDSM play, the Vac-U-Lock Suction Cup creates fixed mounting points for restraint, positioning, and controlled penetration, allowing for more complex and immersive sexual scenarios.

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