SKU: 31832520584

Topology Square Chastity Cage - Medium Size | F318A

$33.76 $37.51
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Ships within 48 hours · Estimated delivery Jul 12 - Jul 17

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Description

Topology Square Chastity Cage - Medium Size | F318ADESCRIPTION The Topology Square Chastity Cage is made to break away from soft, round designs. Built from solid 304 stainless steel, it has a cool metal feel and a bold square shape that looks strong and confident. The clean lines and hollow square body give it a sharp, modern style that stands out right away. This cage follows the natural curve of the penis, helping it sit in a calm, relaxed position. It holds gently but firmly, blocking erections

DESCRIPTION

The Topology Square Chastity Cage is made to break away from soft, round designs. Built from solid 304 stainless steel, it has a cool metal feel and a bold square shape that looks strong and confident. The clean lines and hollow square body give it a sharp, modern style that stands out right away.

This cage follows the natural curve of the penis, helping it sit in a calm, relaxed position. It holds gently but firmly, blocking erections without harsh pressure. On the back, a square panel introduces a striking visual contrast—adding a sense of structure, tension, and graphic novelty that sets this design apart from traditional forms.

The front opening is enlarged, making urination easier and cleaner during daily wear. The open structure also helps with airflow, keeping things more comfortable over long periods.

To fit different bodies and needs, the cage is available in three sizes: Small, Medium, Large

Multiple ring options are available, including round and curved styles. Wearable ring versions can be paired with an optional belt for added support, helping reduce movement and skin friction during long-term wear.

Topology Square is for those who love strong geometry, clear structure, and steady control. It’s simple, solid, and built for discipline with style.

 SPECIFICATIONS

  • Cage Model: F318A
  • Size: Medium 
  • Standard Ring Model
    • Round Ring: K01
    • Curved Ring: K02
  • Wearable Ring Model
    • Round Ring: K03
    • Curved Ring: K04A
  • Weight: 135g
  • Total Length: 2.51 inch / 64 mm
  • Cage Length: 1.77 inch/ 45 mm
  • Cage Diameter: 1.25 inch / 32 mm
  • Material: 304 grade Stainless Steel
  • Horizontal inner diameter of the urination hole: 0.35 inch/ 9mm
  • Vertical inner diameter of the urination hole: 0.62 inch/ 16mm

BASE RING DIAMETER- [OPTIONAL]：

  • 1.57 inch / 40 mm
  • 1.77 inch / 45 mm
  • 1.90 inch / 50 mm 
  • 2.17 inch / 55 mm

SUPPORT BELT ACCESSORY- [OPTIONAL]：

  • Name: PU Support Belt
  • Model: PU1
  • Material: PU
  • Intro: Suitable for waist circumference 61cm to 106cm [24 inch to 41.7inch], can be customized to adjust the tightness.
  • Compatible with all FRRK Chastity Cages

• Free Inclusions With Every Purchase

  • 1 Ring
  • 1 Cage
  • 1 Metal Padlock with 2 Keys

ADD SUPPORT BELT | OPTIONS

  • 1 Ring
  • 1 Cage
  • 1 Support Belt
  • 1 Metal Padlock with 2 Keys

AVAILABLE IN 3 SIZES

This item is available in three sizes: Small, Medium or Large. Click the links below to view more details about each version.

AVAILABLE IN 3 STYLES

This item is available in three styles: Ankh, Serpent and Square. Click the links below to view more details about each version.

• 100% DISCREET

*Your privacy is of our utmost importance. All of our items get shipped out VERY DISCREET. With no weird markings on the packaging of any kind. It will be your little naughty secret and no one will ever know what's inside.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 31832520584

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4.9 ★★★★★
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Verified Purchase
AustyPuff
Port Orchard, US
★★★★★ 4
Almost Perfect - Compact, Strong Magnet, Minor Card Access Issue
Color: Alaska Black, Style: Standard Wallet, Color: Alaska Black, Style: Standard Wallet
This is hands down the best wallet I’ve ever had. I love how compact it is while still holding quite a bit. On the front, it holds two cards, although I find the thumb slot a little short — it doesn’t extend the second card enough, so you have to dig a bit to get it out. The inside card holder (the non-window one) is also a bit tight. The magnet that holds the bifold together is very strong. The first section of the wallet (the bifold) holds three cards — two outside with the thumb groove and one inside. I have metal cards in all three slots, so it adds a little extra weight, but the magnet still holds firmly and stays aligned. The main section has a window for IDs. I keep two IDs and my insurance card there, and even with it being packed, the magnet still holds strong. One small downside: the window isn’t deep enough to fully show my ID, cutting off the date of birth at the bottom. I have to push my license up a bit, which looks a little goofy, but since I rarely need my ID, it’s not a big issue. When I do need it, I can at least show it without taking it out. The main compartment easily holds 6–8 cards. I’m currently maxed out at 7 cards, including 2 metal ones, and they all have flat surfaces. The push-up button slides smoothly even with the extra weight, and all the cards pop up as they should. The money clip is very secure too. I haven’t fully tested its limits, but it held a single bill in place without any issues, and right now I have 10 folded bills in there with no problem. Overall: I love this wallet. It’s compact, easy to access, and for the most part, the cards are very easy to grab.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 25, 2025
S
Verified Purchase
Swapnil
Belleville, US
★★★★★ 5
Worth the expensive price tag!
Color: Brown, Style: Wallet With Airtag Pocket
Was skeptical at first thinking it will be like other same products and will under deliver, costly but worth the spend. Leather looks premium, no loose buttons and can easily hold 15 cards along with some money clips. Totally sold on this product. If you want quality product and don’t care about the price just get this one. Magnet is also strong inspite of filling it to the brim
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
P
Verified Purchase
Pickles
Lowell, US
★★★★★ 5
Easy on older hands and not too tight!
Color: Navy Blue, Style: Standard Wallet
MUCH better than my first minimalist wallet purchase. Though this one is a little bigger than the last (but still far smaller than a bill fold), it is FAR easier to maneuver. I really like the separate pockets for a few extra cards I use much more often. It took a couple weeks to break it in so cards now move easier than day one and now it's perfect. The money "clip" is also a better feature than the elastic band money clips that some other wallets have, which stretch and get too loose over time. This wallet is far easier for older hands. My last wallet forced me to line up every card perfectly in order to push them back into the spring compartment and bound them so tightly that I could barely get them apart enough to pull the card I needed. This one is far less finicky and less demanding of perfection, making it far easier to push a pack of cards back inside. The thumb pull is really easy to work and the wallet holds everything very securely, yet easy to get around in. It's comfortable, very durable, nice looking and the craftsmanship is superior.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 30, 2025
C
Verified Purchase
Cecil Stewart
West Palm Beach, US
★★★★★ 5
Great wallet with tons of pockets!
Color: Carbon Fiber Black, Style: Wallet With Airtag Pocket
After losing my wallet and finding it right in n front of my face after hours of looking for it I got this one and it’s very stylish with more pockets than i ever needed. The air tag makes it look even better but the fact that i can find it when I’ve misplaced it is very reassuring!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 28, 2026
S
Verified Purchase
StephanieS
Belleville, US
★★★★★ 5
Great wallet.
The card spots work great and the money clip part actually works. I was skeptical at first but the wallet is quite helpful in organizing my cards and money. The material is quite nice and it does seem quite durable.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 12, 2026

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