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New Steelworx Sizing Issues Are Tough to Resolve

I have two somewhat simple problems with a new Steelworx CB-Zero. The combined effect of these issues leads to an impossible situation. The device itself is…

member_babc78e3dc 23 Aug 2026 #1

I have two somewhat simple problems with a new Steelworx CB-Zero. The combined effect of these issues leads to an impossible situation. The device itself is top quality and arrived exactly as ordered. One issue is that the 40mm A-ring is too small for me. My ballsack swells from bodily fluids overnight, which probably isn’t healthy. On the other hand, a 42mm A ring feels so loose that the whole unit slips down; I can actually pull it out myself. When slipping occurs, less than half of my anatomy stays inside the cage. Pulling out manually is much easier than turning the key in the lock. The second issue is that the cage diameter is almost too tight at 31.5mm. I might get used to it eventually, but I’m not sure yet. Probably, it’s no good for long-term wear because there isn’t extra room inside. This changes when the device slips down. Also, my skin bulges out between the rings in the cage part, which irritates after a few hours. Peeing is still okay though. The hard part is that I can’t make the A-ring or cage any smaller to prevent pulling out, but on the other hand, I need a bigger cage for a proper fit. It seems impossible with standard sizing! It appears I just have an impossible combination of small flaccid size and really low-hanging balls. I don’t have a piercing and am not going to get one, so there are almost no options left. Different sized devices seem like they aren’t the solution either. Perhaps the only option is this fabric waist belt from Steelworx CB-zero ultra? Another thing I could try is tightening the cap size by bending the A-ring slightly. I might just abandon the whole chastity idea…

member_7f5b971d37 24 Aug 2026 #2

Matt, The correct spacing between the bottom of the cage and the bottom of the base ring is what grips the scrotum and holds the device in place firmly. It's almost counterintuitive, but by going to a larger cage you can actually get a better fitting device because this decreases that specific spacing. If you can't go smaller on the base ring, your only options are to close the gap or get a larger cage. Don't feel too bad if you don't get it right the first time. I bought my first MM device only to have to sell it and buy another for a better fit. Even with meticulous measurements, getting it right is really a crapshoot sometimes. Don't give up. In the end, it is worth it.

member_babc78e3dc 25 Aug 2026 #3

Well the slipping problem now exists with both rings. The small ring is already too tight. I will try to wear only the smaller ring without the cage for next night and see if I get the swelling issue resolved. I think the spacing between the A-ring and cage is what's causing a too-tight fit which leads to the swelling issue. So when going to larger cage shouldn't it become easier to pull out? Just tip the cage forward and down. It seems to me that the only solution is to somehow force the A-ring to stay in place. But how to do that? Anyone have experience with the Steelworx waist belt?

member_ae7bd19fa9 26 Aug 2026 #4

It's strange, my steelworx always used to slip, but I thought it was because my tube was way too loose. If you say your tube is a bit tight, then my guess would be the gap size you have is just too big. Unlike Mature Metal devices, I'm not sure if you can get different rings with different gap sizes; you may need to send it back and try a new gap size until you find something that works. Your 42mm ring or a 41mm ring with a smaller gap might be comfy enough for your balls but tight enough not to slip so easily. What kind of balls do you have? My low saggy balls mean that when I wear a metal device and the weight that comes with it, I need to have a tight tube and small gap to make sure it stays on. Another thing about the steelworx is unlike the CB series or Mature Metal, the tube is level with the ring. Whereas on other brands the tube is mounted lower than the top of the ring. I personally think this also helps hold everything on; whereas to me the Steelworx feels kind of like a sleeve.

member_39df723038 27 Aug 2026 #5

Just one thing I read on another forum. If you want to try out a waist-band feeling with your Cage device that is quite easy to achieve. You need a chain (perhaps a rubber hose to protect your skin) and one additional padlock. When putting on your device before connecting the cage to the A-Ring simply slip one end of the chain over the left metal-bar that comes from your device and goes to the A-Ring. Then loop the chain around your hip and slip the other end over the right-metal-bar of your cage. Then connect the device to the A-Ring and lock it. You can now not remove the chain from the device and the chain goes around your hip. However, it would be easy for you to simply slip down the chain and remove the device. To prevent this you need the additional padlock. Simply choose two chain-links in front and connect them with the padlock, one from the left chain-end and one from the right end. If you do this right and choose the right chain length and links to connect you will basically have a chain around your hip and the device chained to the same chain. You will not be able to pull down the device anymore. I think this is a good way for you to try out the feeling of a waist-band type of device without starting a huge investment. Greets!