Made from medical-grade stainless steel, the BDStyle Double Screw Negative features a 4.2cm cage with integrated 3.4cm catheter and dual-screw locking mechanism for secure restraint. Four ball ring sizes from 40mm to 53mm ensure customized fit for extended wear chastity control.
Key Features:
Double screw mechanism prevents removal without accessing both screws
Medical-grade stainless steel construction safe for extended wear
235g weight, 4.2cm cage length, 3.4cm integrated catheter depth
Four ball ring sizes from 40mm to 53mm for custom fit
Integrated catheter adds functional control during long-term chastity wear
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BDStyle Double Screw Negative Male Chastity Cage With Catheter is a stainless steel chastity device designed for extended wear and secure restraint. Weighing 235g with a 4.2cm cage length and integrated 3.4cm catheter, it offers four ball ring sizes ranging from 40mm to 53mm for customized fit. The double screw mechanism prevents unauthorized access, making it suitable for those seeking durable, long-term chastity control with medical-grade construction.
The BDStyle Double Screw Negative operates through a dual-locking mechanism that secures the cage around the shaft and base ring simultaneously, preventing removal without access to both screws. The integrated catheter insert positions internally at 3.4cm depth, adding functional control while maintaining comfort during extended wear periods. The polished stainless steel construction conducts temperature naturally, allowing the surface to warm or cool with body heat or external application for sensory variation.
Medical-grade stainless steel provides non-porous durability that plastic alternatives cannot match, supporting hygiene through thorough cleaning without material degradation. The 235-gram weight delivers substantial presence without excessive burden during long-term wear. Those seeking additional security options can explore our chastity belts for men range at Adultsmart.
| Material | Medical-grade stainless steel |
| Weight | 235 grams |
| Cage Length | 4.2 centimeters |
| Catheter Insert Length | 3.4 centimeters |
| Ball Ring Sizes | 40mm (small), 45mm (medium), 50mm (large), 53mm (extra-large) |
| Locking Mechanism | Double screw system with dual-point security |
| Finish | Polished silver with oxidation resistance |
| Packaging | Protective OPP bag for discreet delivery |
Pairing the BDStyle with anal lock devices creates comprehensive restraint control that many find intensifies the psychological aspects of chastity. For those combining this cage with partner-controlled play, the double screw mechanism ensures security during extended periods away from direct supervision. Layering this restraint with sensory deprivation or bondage elements allows exploration of psychological control dimensions beyond physical containment alone.
After use, clean the cage and catheter insert thoroughly with warm water and mild soap, paying particular attention to internal surfaces where moisture accumulates. Use a soft brush or cloth to reach the screw mechanisms and ball ring interior without applying abrasive force that might scratch the polished finish. Allow all components to dry completely before reassembling or storing in the provided protective OPP bag. Store in a cool, dry location away from direct sunlight to preserve the polished silver appearance and prevent any potential oxidation despite stainless steel's natural resistance.
Medical-grade stainless steel construction ensures non-porous, hypoallergenic durability suitable for extended skin contact without irritation or material degradation. The polished finish minimizes friction and maintains hygiene through thorough cleaning without trapping bacteria or moisture. This material choice supports long-term wear comfort while delivering the weight and security that many seek in chastity restraints. Stainless steel's inert properties make it compatible with all lubricants and cleaning methods, offering flexibility for individual care preferences.
This cage suits those seeking serious, long-term chastity control with medical-grade construction and dual-locking security. Ideal for people comfortable with extended wear who value durability over novelty, or those exploring power exchange dynamics where permanent-feeling restraint enhances psychological intensity. The four ring size options accommodate various anatomies, making it accessible for first-time chastity wearers and experienced practitioners alike. Those prioritizing security and discretion appreciate the polished aesthetic that resembles functional jewelry rather than obvious restraint equipment.
For those frustrated by plastic cages that flex under pressure or develop cracks after months of wear, solid stainless steel delivers the permanence that psychological control requires. When a cage feels fragile or temporary, the mental submission becomes conditional rather than absolute—the wearer knows escape is possible through force or material failure. The BDStyle's weight and rigidity create the sensation of being truly locked rather than merely restrained, transforming chastity from a physical constraint into a psychological reality. For people exploring power exchange where the locked feeling itself drives arousal and submission, discovering that security can be genuine rather than performative reshapes what restraint means. The double screw mechanism prevents the common frustration of single-point locks that loosen from micro-movements during daily activity, ensuring that security remains constant without requiring repeated tightening. For those who have experienced the disappointment of cages that promised control but delivered insecurity, this engineering addresses the specific problem of trust—knowing the lock will hold transforms the entire experience from uncertainty into genuine surrender.
Our independent testers evaluated the double screw locking mechanism, catheter positioning accuracy, comfort during eight-hour wear sessions, and material durability through repeated cleaning cycles. The stainless steel construction maintained its polished finish without scratching or discoloration, while the dual-screw system remained secure throughout testing without requiring readjustment.
Testers reported that ball ring sizing accuracy proved critical; selecting the correct size from the four options created a secure, comfortable fit that remained stable during movement. The integrated catheter positioned consistently without shifting, and the cage length provided adequate containment without excessive restriction. Individual results may vary based on anatomy, sensitivity, and usage.
| Product | Unique Advantage | Key Difference | Choose This If You Want |
|---|---|---|---|
| BDStyle Double Screw Negative | Double screw mechanism with integrated catheter and four ring sizes | Medical-grade stainless steel at 235g with 4.2cm cage length | Serious long-term chastity with maximum security and durability |
| Standard Chastity Devices | Single screw mechanism with lighter weight for shorter wear periods | Simplified locking system reduces complexity but offers less security | Occasional chastity play or introductory restraint without extended wear |
| Double-Ended Chastity Cages | Dual-access design allowing multiple insertion points for varied stimulation | More complex anatomy accommodation but requires precise fitting | Exploratory chastity that combines restraint with internal sensation |
| Locking Slave Collars | Full-body restraint integration combining neck control with genital security | Broader power exchange signaling through visible collar with matching cage lock | Comprehensive power dynamic expression combining multiple restraint points |
Discover our magnetic cock rings to find complementary restraint options that enhance chastity control through layered sensation and security.
Understanding how chastity devices function psychologically—beyond simple physical containment—helps wearers and partners navigate the emotional dimensions of restraint play. Exploring what chastity control means within power exchange relationships allows people to communicate boundaries and desires more clearly. Our guide to chastity fundamentals offers practical approaches and safety considerations for discovering what secure restraint can mean for your dynamic. Learn more about chastity device fundamentals to understand how restraint enhances psychological control.
Ready to experience serious chastity control with medical-grade security, BDStyle Double Screw Negative is available at Adultsmart. All orders ship discreetly across Australia in unmarked packaging with confidential tracking and protective OPP bag presentation.
Adultsmart.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.
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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
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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, Adultsmart.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.
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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.