Girthmasterr 8.5 Inch Ultraskyn Suction Cup Dildo

$159.99
$159.99

8.5 inch Ultraskyn dildo with suction cup base and Vac-U-Lock compatibility molded from adult performer

Key Features:

Authentic 8.5-inch realistic dildo design

Dual-density ULTRASKYN premium material

Vac-U-Lock harness system compatibility

Suction cup base for multiple positioning

Detailed anatomical texture and veining

Vendor: Doc Johnson
SKU: NEW-7085
Availability: In stock
Product type: Realistic Dildos
Please hurry! Only 1 left in stock

Finding a realistic dildo that delivers genuine sensation and fits your harness system is challenging. The Vac-U-Lock Girthmasterr 8.5 Inch Ultraskyn Suction Cup Dildo combines anatomical detail, body-safe material, and Vac-U-Lock compatibility in one powerful tool.

At a glance
  • Length: 8.5 inches with substantial girth
  • Material: Dual-density ULTRASKYN, body-safe and phthalate-free
  • Mounting: Vac-U-Lock compatible suction cup and O-ring harness design
  • Texture: Detailed veins and anatomically molded curves
  • Operation: Manual, no batteries, ready to use immediately
  • Included: Storage bag and product documentation
🚚 Plain, discreet packaging🔒 Discreet billing↩︎ Hygiene-conscious returns policy

What it is

The Vac-U-Lock Girthmasterr 8.5 Inch Ultraskyn Suction Cup Dildo is a realistic dildo handcrafted from premium dual-density ULTRASKYN material. Its design replicates authentic anatomical detail with pronounced veins and textured curves molded directly from life. The outer layer mimics human skin texture and temperature responsiveness, while the firm inner core provides structure and stability during use. This construction delivers a genuinely lifelike sensation that distinguishes it from standard silicone alternatives.

Vac-U-Lock compatibility makes this dildo exceptionally versatile for harness play, mounted exploration, or partnered use. The removable suction cup attaches securely to smooth surfaces, while the O-ring design integrates seamlessly with standard harnesses. See the full BDSM Australia range of Realistic Dildos to compare other options and find your ideal match.

Key features

  • Substantial size: 8.5-inch length delivers full, intense penetration for experienced users seeking substantial stimulation.
  • Dual-density construction: Soft, skin-like exterior combined with firm inner core creates authentic sensation and reliable structure.
  • Body-safe material: 100% ULTRASKYN is phthalate-free, hypoallergenic, and temperature-responsive for enhanced realism.
  • Anatomical detail: Detailed veins, curves, and textured surface replicate authentic physical characteristics with precision.
  • Vac-U-Lock system: Removable suction cup and O-ring harness compatibility offer flexible mounting and positioning options.

Specifications

  • Length: 8.5 inches total with proportional girth for comfortable yet intense penetration
  • Material: 100% body-safe ULTRASKYN, phthalate-free, hypoallergenic, and temperature-adaptive
  • Construction: Dual-density design with soft exterior and firm core for realistic feel and structural integrity
  • Attachment: Removable Vac-U-Lock suction cup and O-ring harness compatibility for versatile mounting
  • Operation: Manual use, no batteries or charging required
  • Package contents: Dildo, removable Vac-U-Lock suction cup, protective storage bag, and user documentation

How to use a realistic dildo

Apply generous water-based lubricant to the dildo and desired entry point to ensure smooth, comfortable insertion. Position the dildo at your preferred angle and use the Vac-U-Lock suction cup to secure it to a smooth surface, or attach it to a harness for partnered play. Begin with shallow penetration, allowing your body time to adjust to its substantial size before gradually increasing depth and intensity.

Explore different positions and angles to discover what feels most pleasurable—try mounted on furniture, incorporated into harness play, or combined with other toys for enhanced sensation. Experiment with temperature play by warming or cooling the ULTRASKYN surface beforehand. For comparison and alternative options, explore the Non-Phallic Dildos collection if you want to vary your experience. Always use water-based lubricant to protect the material and enhance comfort.

Use generous water-based lubricant, start slowly to allow your body to adjust to its size, and clean thoroughly with sex toy cleaner after each use. 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

Clean the Vac-U-Lock Girthmasterr thoroughly after each use with specialized sex toy cleaner or warm soapy water, then rinse completely and air dry. Store in the provided protective bag away from direct sunlight and extreme temperatures to preserve the ULTRASKYN material's integrity. Keep the removable suction cup clean and dry. Always use water-based lubricants to maintain the material's quality and lifespan.

Learn more

Understanding realistic dildo design and materials helps you make confident choices about what works for your body. Doc Johnson's reputation for anatomical accuracy and body-safe materials makes this a trusted option for serious users. Read more about realistic dildo selection and use in The Black Realistic Dildo to deepen your knowledge.

Mistress Athena's training notes

This dildo commands respect in my dungeon. Its substantial size and realistic detail make it an exceptional tool for demonstrating dominance and pushing my submissives past their perceived limits. When I introduce it, I watch carefully—the anticipation in their eyes tells me everything about their readiness. The ULTRASKYN texture allows me to control sensation with precision, warming or cooling it beforehand to create psychological tension before physical contact.

My technique involves gradual introduction combined with explicit verbal conditioning. I describe exactly what's coming, building mental anticipation before any physical touch. This psychological preparation often matters more than the physical act itself. The Girthmasterr's anatomical detail means every curve communicates dominance and control.

Different submissives respond in fascinating ways. Some remain perfectly still, demonstrating absolute obedience. Others tremble with a mixture of fear and excitement. The suction cup mounting gives me hands-free control, allowing me to focus entirely on reading their responses and adjusting intensity accordingly. That psychological power—knowing I control their experience completely—is what makes this tool invaluable in my practice.

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

How it compares

Feature Vac-U-Lock Girthmasterr Standard Silicone Dildo Glass Dildo
Material Feel Realistic skin-like texture with temperature responsiveness Firm, uniform surface without temperature change Smooth, non-porous, completely temperature neutral
Size and Girth 8.5 inches with substantial girth for intense experience Varies widely, often less anatomically detailed Usually smaller, designed for different sensations
Mounting Options Vac-U-Lock suction cup plus O-ring harness compatibility Limited mounting options, often requires separate harness No built-in mounting system, requires external accessories
Anatomical Detail Detailed veins and curves molded from life May lack realistic detail and texture variation Smooth design, no anatomical features

Why you'll reach for it

Get the Vac-U-Lock Girthmasterr when you want a realistic dildo that combines authentic sensation with versatile mounting options. Its substantial 8.5-inch length, dual-density ULTRASKYN construction, and detailed anatomical design make it an exceptional choice for experienced users at BDSM Australia. Whether you're exploring solo or incorporating it into partnered play, this dildo delivers intense, lifelike sensation with every use. 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.

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 Girthmasterr 8.5 Inch Ultraskyn Suction Cup Dildo?
The Vac-U-Lock Girthmasterr is a premium realistic dildo by Doc Johnson, featuring an 8.5-inch length crafted from dual-density ULTRASKYN material with detailed anatomical texture and a suction cup base for multiple positioning options.
Is the Vac-U-Lock Girthmasterr compatible with harness systems?
Yes, this dildo is specifically designed for Vac-U-Lock harness systems, allowing seamless attachment and secure positioning for strap-on play, providing consistent performance and maximum user control during sexual activities.
Where can the Girthmasterr dildo be used most effectively?
The Girthmasterr can be used on flat surfaces with its strong suction cup base, in harness systems, or for solo exploration. Its realistic design allows for versatile positioning in bedroom, shower, or other private settings.
Can the Girthmasterr provide realistic sensory experience?
The dildo's dual-density ULTRASKYN material creates an incredibly lifelike sensation, mimicking human skin texture and temperature. Its detailed veining and anatomical design offer an authentic and intense sensory experience during use.
Which BDSM play scenarios suit the Girthmasterr dildo?
The Girthmasterr works excellently in domination scenes, strap-on play, and power exchange dynamics. Its robust construction and realistic design make it ideal for intense BDSM scenarios requiring a substantial, anatomically accurate penetrative tool.

Related Products

Recently Viewed

Why Shop With BDSM Australia?

FAST ORDER DISPATCH

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

DISCREET PACKAGING

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

INTERNATIONAL SHIPPING

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