Vibrating strap-on harness with 8-inch dong and Vac-U-Lock attachment system. Adjustable Ultra Harness fits waists up to 53 inches.
Key Features:
Complete vibrating strap-on system with secure Vac-U-Lock attachment
Phthalate-free body-safe materials from trusted Doc Johnson manufacturing
Vacuum seal technology prevents slipping during intense sessions
Ultra Harness adjusts comfortably for waists up to 53 inches
Built-in vibrating motor pulses through entire 8-inch realistic dong
The Vac-U-Lock Vibrating Sex Harness with 8 Cock Flesh from Doc Johnson is a complete strap-on system that combines a vibrating dong with an adjustable harness. Features the innovative Vac-U-Lock attachment system for secure connection and easy swapping of compatible toys. Delivers hands-free vibrating stimulation through an 8-inch realistic dong.
The Ultra Harness straps around your waist and thighs, positioning the vibrating dong exactly where you need it. The Vac-U-Lock system creates a vacuum seal that locks the dong firmly in place - no slipping or wobbling during action. The vibrating motor runs through the entire length, sending pulsing sensations that you and your partner will both feel. For different sensations, explore our vibrating cock rings collection for additional stimulation options.
What sets this apart from basic strap-ons is the vibrating element combined with the rock-solid attachment system. The included powder makes swapping attachments smooth and effortless.
| Style/Type | Best For | What Makes It Different |
|---|---|---|
| Vac-U-Lock Vibrating System | Couples wanting secure attachment with vibration | Vacuum-lock technology prevents slipping, built-in vibration |
| Basic Ring Harness | Beginners trying strap-on play | Simple design, multiple dildo compatibility |
| Brief-Style Harness | Men wanting underwear-like comfort | Looks like underwear, discreet under clothing |
Couples exploring power dynamics: Perfect for partners who want to switch roles and experience new sensations together. The vibrating element means both of you feel the intensity, not just the receiving partner. Pair with items from our vibrating dildos collection to expand your options.
Experienced strap-on users: Men who have tried basic harnesses and want something that stays put during intense action while adding the extra thrill of vibration.
This is not just another strap-on - it is a complete system that solves the biggest problems with harness play. No more dongs sliding out at the wrong moment, no more fumbling with attachments. The vibration takes it to another level entirely. Made in America by Doc Johnson, a company that has been perfecting adult toys since 1976. Check out our vibrating masturbators for solo experiences that complement couple play.
Real experience:
I had tried basic harnesses before but they always felt loose or the dong would shift during use. The Vac-U-Lock system changed everything - once that dong clicks in, it becomes part of you. The vibration was an unexpected bonus that I could feel through the harness base.
The confidence this system gives you is incredible. You focus on your partner instead of worrying about equipment failure. The vibrations create this shared sensation that connects both of you in the moment. It feels powerful and intimate at the same time.
The Vac-U-Lock Vibrating Sex Harness is part of our wider range of intimate accessories. Discover more options in the vibrating penis plugs collection to find exactly what you are looking for.
Ready to experience the security and intensity of the Vac-U-Lock system? Order now from MaleChastity.com.au with discrete shipping Australia-wide. Transform your intimate moments with this complete vibrating harness system.
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..
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.
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.
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.