Micro chastity: A review


I’ve been wearing chastity devices for almost exactly nine years. I’ve worn plastic ones and metal ones, those with and without rings, some wrought from cold metal and another 3D printed. I’ve kind of lost count, to be honest. It’s well over a dozen different devices. Perhaps even over sixteen.

I don’t say all that to boast. There are men out there who’ve been in a greater variety of devices for longer than me, for sure. My point is, I thought I kind of knew some things about the mechanics of being locked up. Like how to measure for a device and how to size it. How to wear it every day and live in it. But the other day, a crazy little thing landed on my desk from far away. And after nine years, more or less everything I knew got turned on its head.

Usually, I review a specific device from a specific manufacturer. This time, I’m reviewing a concept. A device that’s (nearly) freely available on eBay from apparently a dozen different manufacturers. And while I recently railed against buying knock-offs from China, I did bend my rules a bit just to see what wearing something like this was like.

IMG_7127The first time I saw what I’m calling a “micro” chastity device locked onto someone, it was Caged Jock (though he seems to have moved on to a very small Steelworxx Looker 02). The concept of such a small device was very hot to me for a variety of reasons, but my assumption was one would need to have a very small penis to pull it off (like Caged Jock whose is only 3.5″ hard). But then Andy of Ruffled Sheets and I were chatting about his use of one. Andy does not have a small penis. His is…uh…perfectly fine. And he reported he was able to wear it comfortably. So I had to find out for myself.

Luckily, the Micro…erm, cage was only about US$11 shipped. That’s crazy cheap and, it turns out, I got what I paid for. I rationalized the purchase from a source I don’t recommend for others as an experiment and decided, if I ended up liking it and Belle was accommodating, I’d get something like it remade by a chastity craftsman. But before I get into the gearhead portion of the program, I need to talk about how being in such a small device made me feel. Not physically. Emotionally.

Most men are pretty fucking invested in their penis. But some men, like me, who are locked up all or close to all the time become somewhat disconnected from them. They become less obsessed with their penises as the embodiment of their sexuality. They start to associate other parts of their body and other activities with sex, even to the point that they feel more comfortable when their penis isn’t on the menu. This doesn’t mean the urge to be let out and fuck or jack off goes away. I’ve always had that and probably always will. But it’s transitory and usually surfaces in a moment of intense arousal before quickly being subsumed by the more intellectual aspects of chastity and denial and submission.

I found that once the penis stopped being so central to my sexuality and how I gained pleasure from sex (in fact, that my pleasure was the point of sex), it became less important to me. For some time now, it’s not bothered me at all that it’s below average in length and girth. Except for the fact that Belle enjoys being fucked, I don’t wish I had a larger penis at all. In fact, even the opposite.

I remember when we got the second, shorter Steelheart and someone on the blog asked wouldn’t I rather be swinging the longer one since it was so much more impressive. Besides the smaller one being more comfortable, no. One of the things I like about the Halfshell is it’s even smaller than the short Steelheart. Minimizing the penis’ presence is something I’ve been very into. And that’s why the micro device was so alluring to me.

But…it’s funny. Most devices encase a penis yet still visually represent one. The micro eliminates the penis. It pushes it into my body and replaces it with a small metal button that nestles into my balls. Reaching into my pants, I don’t feel the familiar unyielding steel tube, I find only a lock and then nothing at all. The pouch on my underwear doesn’t get filled out and there’s an almost conspicuous lack of a visible package while wearing pants. It is penis minimization at its extreme. I’m not going to say I didn’t like it. In a different setting and relationship, it might be perfect for me. But I found myself self-conscious about what Belle would think in a way I haven’t since we first started using devices. For a while near the start, I didn’t like to show myself locked in front of her even though she was holding the key. But now, being that way is perfectly normal. Now I’m more self-conscious when the penis is free. But being in the Micro was different. I was hesitant to have her see it and she didn’t even get a look at it until the morning I took it off.

So perhaps I have more invested in the penis or what represents it than I previously thought. That surprised me. I think it’s because I’m a man in a relationship with a woman who likes being fucked and wants me to have a penis with which to do that. If I were in a relationship with someone who didn’t mind or even preferred the look of penisless me, I’d probably embrace the Micro. Such is the variety of sub I am, I guess. Since it’s important to her, its absence, even if it turns me on, turns me off.

If I were getting a new, custom device today, I’d still likely make it smaller than the Halfshell, but not so minimizing as the micro. That’s not about aesthetics or comfort or anything else except I want to look like there’s a penis there, even if it’s shiny and small, and not like it’s been swapped out with a very small man hole cover. Because I think that’s what she prefers.

With all that said, I review devices based on six factors: Cost, aesthetic, fit/comfort, security, hygiene, and stealth.


By far, the cheapest device I’ve ever worn. I paid $10.69 shipped for this little thing. It is also, by far, the crappiest made device I’ve worn. Ill fitting pieces and a balky lock that only sometimes turns (which adds a kind of Russian roulette aspect to taking it off)  and smells of brass. It was worth every penny.


IMG_7128As usual, very subjective. I still think micro devices are hot and absent the fact it made me self-conscious in front of Belle, I don’t dislike the look of them at all. This particular device is made of a lower quality stainless (304) and not well polished. It has the appearance of part of a chain link fence more than a sex toy. It feels very industrial rather than sexy like the Halfshell or Steelheart. Very utilitarian. Like the kind of device you’d be issued upon checking into a prison for men run by dominant women or something (great, now I’m thinking about that).

Bottom line, this particular specimen is somewhat homely and not the quality to which I’m accustomed. I would have been much happier with something far shinier and more skillfully and carefully made.

I wondered what my Twitter followers thought of how the Micro looked and asked. Here’s how that poll ended…

IMG_7178Belle, for the record, was probably in the “meh” camp.

Fit & Comfort

You probably think having your penis smooshed down to less than an inch long would be uncomfortable. You’d be wrong. In practice, I found the micro to be incredibly comfortable, even during early morning erections. The A-ring on mine is only 40mm in diameter, just like the Steelheart, but on the Steelheart that feels too small now while the Micro does not. My speculation as to why that is is that the erection itself doesn’t protrude through the A-ring. Only the head of it does. The rest is behind the A-ring. About half inside my body, the rest pushing at the ring on the outside.

Bottom line, “smaller devices are better” is once again proven. In fact, the absolute smallest device possible is incredibly comfortable. Far more attention should be paid to the size of one’s A-ring and, if the penis extends through it, the width of the tube rather than its length. It should absolutely not be longer than your flaccid size. Probably far smaller.


IMG_7130Since all this device does is cover the head of the penis, my assumption was that it wouldn’t feel very secure. In fact, that’s not the case. It keeps everything packed and tidy so there simply isn’t any play in the fit. There’s no tube to rattle around in. It’s a cap on your manhood and only the cap extends past your body (when flaccid).

This particular unit also has a ridge inside and around the entire cap that formed something like a little bowl that the head of the penis fit into making the fit even more snug. There was, of course, nothing keeping me from withdrawing out the back, but it felt more secure than the Steelheart even though the Steelheart is totally secure. The ridge made reaching in from behind also difficult. It just felt more secure than any unfixed device I’ve ever worn. Some of this is how well it sells the idea that there just isn’t a penis there. It’s gone, so thinking about getting out kind of goes with it.


IMG_7126The Micro is a hot mess. It’s hard to align the tip of the penis to the main hole and, I found, doing so was sometimes pretty uncomfortable since a little nubbin of flesh poked through the entire time I was wearing it (not as often as it would be in a tube or cage though because it wasn’t always in contact with the inside of my underwear). That tissue around the urethra is some of the most delicate and sensitive on a guy’s body so I found trying to angle things (which is very tricky) so that the tissue above the urethra was exposed instead was a lot more comfortable.

However it gets arranged, I found peeing resulted in anywhere from two to five separate streams all shooting out at different angles in a totally uncontrollable fashion. In addition, the whole cap would fill with urine before draining out (perhaps due to my PA) and the ridge inside the cap held urine no matter how much I tried to get it out. Also, it stays inside the folds and crevices of the compressed penis trapping even more. Every morning required thorough cleaning and I found it difficult to clean effectively without taking the penis out.

For a lot of men who are turned off by the idea of the Steelheart and its closed-tube design, this alone will torpedo the Micro forever (the Micro’s hygiene issues are ten times those of the Steelheart). A lot of keyholders hearing their men need to get out daily for cleaning will be turned off, too.


On one hand, the Micro is easily the most stealthy device I’ve worn. Perfectly silent and leaves absolutely zero outward indication its there. On the other hand, it also leaves absolutely zero indication you have a penis whatsoever. I found that to be almost as much an issue as having a strange hard bulge. So I will say it’s incredibly stealthy, but it also gives those dick-checking individuals around you the not incorrect impression there’s a crater between your legs.


I found the Micro-style device, even as small as it is, to be surprisingly comfortable. The physiological aspects of such a small device may be an issue for some, as will be the hygiene issues. Also, I’d implore you to take your business to someone who takes pride in their craft and cares about making a quality product over throwing a few bucks to an anonymous eBay seller. But for some willing to deal with the extra maintentnance and who are OK with the sensation of being de-penised, it’s a really good design.

12 thoughts on “Micro chastity: A review

  1. First, it’s funny how some of us perceive these things. Mrs, Edge happens to like how a cage will approximate a penis; the CB3000 is still her favorite because of the shape and the see-through. The Fort – same shape as the CB3000 – was only the 2nd choice, although she has come to appreciate the current tube thingie that I’m wearing.

    That said, I’ve been seeing these micro-cages showing up on Tumblr posts, and it makes me wonder if you’ve run across this one:

    I ordered one because I wanted the cuff ring to experiment with, but I did try it on first. I felt uncomfortable being so squished inside it, but admittedly, an hour probably wasn’t much of a trial. However, the open cage style is probably better for hygiene.

  2. I think both of those would be incredibly uncomfortable as the squished penis would push though the bars and get beat up by the insides of pants, etc. They would definitely be better for hygiene, but there are times I can’t stand to wear the Jailbird for that same reason.

    And yeah, all of a sudden all the kids are into their little tiny nubbin cages.

  3. You could also get the micro with a catheter. If you can insert an 8mm rubber tube easily (I can’t, but I’ve used a micro with just the piece of the catheter that screws into the cage), that would resolve the hygiene issue, but it would also give you a strange little nubbin that’s somehow more noticeable under clothing than the hard lump produced by other chastity cages.

  4. I ordered one of these from Ebay. It is more secure than my Looker 02. I can get away with a bigger base ring because of the narrow gap. The locking mechanism is sticky and finicky. The key is rusting after a couple of weeks. I just ordered a steelworxx version and can’t wait for it to arrive. Thanks again.

  5. I purchased the “New Lock Design 25mm Stainless Steel Super Small Cock Cage” from Jmproductsoutlet, via dhgate.com and I found it was of very good quality. Unlike the sample Thumber got and wore, the stainless steel on the device I received was very smooth and shiny. I find it’s very comfortable to wear. I like wearing it at night to help reduce the “flopping around” and eliminate self-arousal issues. I’d highly recommend this device. True, the penis disappears, but then again it puts your balls out front which is some compensation. https://www.dhgate.com/product/2016-new-lock-design-25mm-cage-length-stainless/388228732.html

  6. What do you think of this one?


    Small, with a steel urethral catheter that is low profile.

    I was also looking at this device:

    Comes with either plastic or rigid steel urethral tube, not sure what would be better/safer/more hygienic though if you want to wear a device for a longer time.

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