The Fun Factory IKU flex Male Stroker uses modular silicone sleeves with textured ridges and magnetic click-together technology to deliver customized stroking sensations. Stack different chambers for your perfect configuration.
Key Features:
Textured ridges target different nerve endings with every stroke variation
Modular click system stacks multiple IKU sleeves for customized grip intensity
Medical-grade silicone eliminates skin irritation during extended masturbation sessions
Waterproof IPX7 rating allows shower and submersion play without electronics risk
Removable sleeve enables thorough cleaning and maintains long-term hygiene standards
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IKU flex is a modular male stroker that stacks different textured sleeves together using magnetic click technology, letting you customise your sensation instead of settling for one fixed design.
Why choose the IKU flex Male Stroker by Fun Factory
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📦 Discreet plain-wrapped delivery • 💳 Private billing • ↩️ Easy size-swap returns |
Slide into the IKU flex and the ridged channels immediately massage your shaft with pressure that shifts as you move deeper inside. Your frenulum gets attention on one stroke while your corona receives targeted pressure the next time through. Blood rushes to your penis as you build pace, and the ridges seem to awaken under the heat of arousal—your sensitivity ramps up with each pass, building steadily toward that moment when holding back becomes impossible.
Unlike strokers that compress uniformly, this one's contoured interior catches different parts of your dick at different angles. Friction builds edge by edge, cumming shifts from something you're working toward to something your body simply can't resist. Compact Male Strokers offer a similar portable experience if you want something smaller to carry or store discreetly.
Warm water and water-based or silicone lube inside reduce friction burn and amplify how the ridges feel against your skin. Start with slow strokes to let your cock adjust to the textured grip—most guys find that gentle early pace lets you feel each ridge distinctly before building momentum. Vary your rhythm once warmed up: long slow strokes let you feel every textured inch, while rapid short movements focus pressure on your most sensitive areas. Pay attention to which zones make your dick throb hardest and angle your thrusts accordingly. Cockringshop specialises in products for men and couples, so if you want to combine this with other gear during partner play, we stock options for that too.
Rinse the sleeve with warm water before each use. Apply water-based or silicone lube generously inside—this reduces friction burn and amplifies sensation. Slide into the opening and start with slow strokes to let your cock adjust to the textured grip. Many guys find that beginning with a gentle pace lets you feel each ridge distinctly before you build momentum.
Once you're warmed up, vary your rhythm. Try long slow strokes that let you feel every textured inch, then switch to rapid short movements that focus pressure on your most sensitive areas. Notice which zones make your dick throb hardest and angle your thrusts accordingly. When you're close, tightening your grip or increasing tempo usually pushes you over the edge hard enough to feel the orgasm ripple through your entire body. Rinse thoroughly after use and allow to air dry before storage.
| Feature | Specification | Benefit | Experience |
|---|---|---|---|
| Ridged interior channel | Textured TPE with contoured ridges | Catches different parts of your penis at different angles with each stroke | Your frenulum and corona receive targeted pressure; sensation changes as you move |
| Medical-grade silicone exterior | Body-safe silicone with TPE inner | Wraps around your penis like skin that knows what it's doing | Feels realistic, supple, and nothing like cheap plastic |
| Modular click system | Magnetic connection to stack sleeves | Build your perfect configuration instead of settling for one fixed design | Customise sensations to match your mood and preferences each time |
| IPX7 waterproof rating | Fully waterproof for shower and submersion | Use it anywhere—shower, bath, or poolside | Warm water amplifies sensation; no worry about water damage |
IKU flex works for anyone from guys exploring solo play for the first time to experienced masturbators wanting something beyond basic designs. If you like texturing and want the ability to customise your experience, the modular IKU system is built for you. Most cock sizes fit comfortably in the 1.8cm diameter opening without being too loose or painfully tight.
Skip this if you prefer smooth, simple strokers with no texture. You should also look elsewhere if you need motorised patterns or speed settings—IKU flex relies on your manual technique rather than vibration or automation. It's a hands-on stroker for guys who enjoy building their own rhythm and pressure.
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Tested and quality-checked Every new line we stock is hands-on tested before it ever goes live — we power it up, run it through its functions, and check it for safety and for how it actually performs. Overseas orders get a second function-test right before they ship, so a dead motor never reaches your door. Nothing is used for its intended purpose; it is checked, inspected, and re-boxed. What that means for you is simple: the unit you open is one we already know works. See how we test every product → |
IKU flex is a manual stroker powered by your own technique and grip. Automatic Masturbators add motors that deliver consistent patterns and speeds without your input, which suits guys who want hands-free stimulation or preset rhythms. Manual strokers let you vary pressure and speed in real time and feel every ridge directly; motorised versions handle the movement for you. Pick manual if you enjoy control and direct sensation, or automatic if you want the sex toy to do the work.
| Please read — safety first. Put the ring on before you are fully erect and use plenty of water-based lubricant so it slides on without pinching. Keep wear time short — no more than 20 minutes while you are getting used to it, and never fall asleep wearing one. Take it off straight away if you feel numbness, coldness, a change in colour, or any pain, as these mean blood flow has been cut off too far. Never share between partners without cleaning the item first or using a fresh condom. As porous materials can harbour bacteria, use a condom over them for sharing or easy clean-up. This information is general in nature only and is not medical or professional advice, and does not take your personal circumstances into account. Stop use and speak with a qualified medical professional if you have a relevant health condition, take medication for erectile function or blood pressure, or notice pain, numbness, or discolouration that does not settle. |
Pair IKU flex with Cock Ring Sets to maintain harder, longer-lasting erections while you stroke. A ring restricts blood flow out of your penis, so your cock stays fuller and more sensitive throughout your session. The combination intensifies sensation and can help you last longer before ejaculation, making each stroke feel more powerful and rewarding.
Fun Factory designs premium adult toys for real bodies and real pleasure. Explore their full range of strokers, rings, and other gear built from body-safe materials and honest engineering.
Want to compare stroker types and materials? Tenga Masturbators are covered in depth on the Adultsmart blog, which offers a good guide to different stroker options and how they work.
Looking for the right fit and the right material? Order the IKU flex Male Stroker by Fun Factory from The Cock Ring Store—genuine product, function-tested and quality-checked before dispatch. We pack and ship discreetly, and Cockringshop guarantees your privacy with every order. The specialist store for rings, cages, and male enhancement — discreetly delivered. The Cock Ring Store ships discreetly Australia-wide.
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.
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
We ship same day on all in-stock orders placed before 12pm! Free shipping on all orders above $200.
All of our shipments come in discreet packaging ensuring those nosy neighbours will never know!
We ship our full range of products worldwide with fast dispatch for orders before 12pm Sydney EST!
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