


Comfort with Seira Yamakawa Onahole suits solo enthusiasts craving authentic Japanese design with substantial weight and firm resistance. Modeled after the popular JAV star, this premium masturbator weighs 400g and spans 150mm for realistic proportions that satisfy experienced users seeking genuine tactile feedback during intimate sessions.
Key Features:
Medium sized onahole masturbator designed for penis stimulation with 150mm length and 70mm width providing realistic penetration experience for male masturbation and orgasm achievement.
Hard material construction delivers intense resistance sensation during penetration creating heightened friction against the penis shaft and glans for enhanced arousal and stimulation.
400g weight with thick odorless walls ensures durability during vigorous masturbation sessions while maintaining realistic feel for consistent penis stimulation and satisfaction.
Perfect fit specification designed to grip the penis tightly during penetration providing snug sensation that enhances friction and increases stimulation for more intense orgasms.
Japanese manufactured masturbator featuring collaboration with JAV star Seira Yamakawa offering realistic vaginal penetration experience for enhanced male sexual pleasure and satisfaction.
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Comfort with Seira Yamakawa Onahole wraps your cock in firm, odorless TPE material that maintains its shape through repeated use. Weighing 400g with thick walls, this Japanese masturbator mimics authentic anatomical resistance as the 70mm width accommodates various sizes comfortably during extended stroking sessions.
This masturbator grips your shaft with dense material that requires deliberate thrusting motions, building stamina while simulating realistic tightness. The internal texture patterns massage your glans and corona with each stroke, while the substantial weight adds momentum that intensifies penetration sensations. Unlike softer alternatives, this firm construction maintains consistent pressure throughout your session.
The anatomically correct entrance stretches gradually to accommodate your girth, then contracts around your shaft with noticeable resistance. Each thrust encounters deliberate friction that builds heat naturally, while the textured interior walls stimulate nerve endings along your entire length. The 150mm depth allows complete insertion for most users without bottoming out uncomfortably.
Warm the onahole under lukewarm water for 2-3 minutes before use, then apply water-based lubricant generously to both the entrance and your cock. The firm material requires adequate lubrication to prevent uncomfortable friction. Insert slowly, allowing the tight opening to stretch around your glans before proceeding deeper.
Grip the substantial base firmly while thrusting, using the 400g weight to your advantage by letting gravity assist your strokes. The dense material responds best to deliberate, controlled movements rather than rapid pumping. Clean thoroughly with warm soapy water after each session and allow to air dry completely before storage.
Experienced masturbator users who appreciate firm resistance and substantial weight will find this onahole particularly satisfying. The tight construction suits those seeking stamina training or realistic anatomical simulation. Men who enjoy deliberate, controlled stroking rather than quick sessions will appreciate the dense material's feedback.
Beginners or those preferring softer sensations should consider alternatives, as this firm construction demands adequate preparation and lubrication. Users sensitive to tight fits may find the 70mm opening restrictive initially.
| Feature | Specification | Sexual Benefit | User Experience |
|---|---|---|---|
| Dense Material | Thick-wall TPE | Realistic resistance | Firm grip sensations |
| 400g Weight | Substantial mass | Natural momentum | Hands-free positioning |
| 150mm Depth | Full insertion length | Complete stimulation | Accommodates most sizes |
| 70mm Opening | Snug entrance | Intense initial penetration | Gradual accommodation |
While primarily a solo device, this onahole's firm construction trains stamina and control similar to chastity play principles. The restrictive sensation builds endurance while the substantial resistance mimics prolonged denial effects, making it valuable for men exploring self-discipline in their pleasure routines.
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The snug 70mm opening parallels the sensation of properly fitted condoms, helping users acclimate to restricted sensations without compromising pleasure. This preparation proves beneficial for men transitioning to tighter protection or those wanting to maintain sensitivity while wearing constrictive barriers.
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After testing dozens of onahole designs, the Comfort with Seira Yamakawa stands out for its authentic weight distribution and firm resistance. The 400g mass feels substantial in hand, requiring deliberate positioning that adds realism to solo sessions. Unlike softer alternatives that collapse under pressure, this maintains its internal structure throughout 20-minute sessions. The entrance required patience during initial penetration, but once accommodated, the internal texture patterns stimulated my frenulum consistently. The odorless material stayed fresh even after repeated testing, while the thick walls prevented any tearing despite vigorous use. Cleanup proved straightforward with warm water, and the material retained its original tightness after air drying. This suits men seeking authentic resistance rather than easy stimulation.
Order your Comfort with Seira Yamakawa Onahole from the cockringshop for authentic Japanese craftsmanship that builds stamina while satisfying experienced users. This substantial masturbator rewards patience with genuine anatomical simulation that stands apart from generic alternatives.
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
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