Jail Bird

The JAIL BIRD male chastity device is our most popular design. The stainless steel bars are very rigid. They will not bend or pinch. Combines comfort with security, and great looks. Has a very low profile that is easy to hide under clothing and is perfect for 24/7/365 wear.

The open design makes it easy to clean without removing the cage. This makes it possible to wear the device indefinitely. Great for Internet or long-distance relationships.

Customizing your Jail Bird

The anti-pullout system and the security screws options are available for this item.  The Jailbird must be 1 1/4″ inside diameter or larger and a length of at least 1 1/2″ for the anti pull out option to fit.

The cage for Jailbird can be built with more than just the two rings. Please see the final image on the gallery below for an example. Extra rings are priced at $60 each.  Any Jailbird over 2″ can have the cage made with three rings. 3″ cages can have a total of four rings.  Depending on the length of the cage, the anti pull out may be able to be added.  If you have any questions about these options, please feel free to email us.  Please know that a proper size lock should sit sideways.

Build time is 6-8 weeks from date of order.
1-2 week build time $250
2-3 week build time $125
USPS EXPRESS (within the US) $20.


Item is constructed of 316 surgical stainless steel using 1/4″ and
1/8″ round bar.
Base ring is constructed on 1/4″ round bar.
All parts are handmade and can be built to any size.
Light Weight 5 OZ. (For average size). Lock not included

Order Jail Bird Male Chastity Device Jail Bird @ $320.00


Dec 02, 2014 by Chuck

What can I say that hasn't already been said? The first one I had made, I was cocky and though I could go an inch shorter. Boy was I wrong! This device has no give and no movement at all, so too short was not good. Nice thing is that the resale value is rather high so I sold it for a very small loss and ordered another with more appropriate measurements. Unbelievable the difference it made. If you have questions they answer truly and give great advice. Ultimately it is up to you to take the advice or not. I learned to take the advice. When you get the right size this device does exactly what it's meant to do. I love mine and haven't been out of it since it arrived.

Best device i've ever worn, and best customer service ever

Oct 23, 2014 by Elle_minded

i received the new cage rings right on time, but wanted to wait a while to make sure my first impressions held up before writing to You.

i've been wearing the Jailbird continuously now for over a week, and William's advice, and the adjustments made, were perfect! i'm using the same size base ring as before, but the double ring is just exactly enough snugger, one finger instead of two under the ring, and absolutely no doubt, more secure now. And, miraculously, just as comfortable as before. Actually, even more comfortable, since the extra width of the base ring is not quite as binding when i get excited. i strongly recommend a double ring to anyone buying one of Your devices.

William was also right about not lengthening the tube... now that the ring and gap are well~fitted, the compression caused by the tube is far more arousing that previously.

So interesting that such a slight change makes such a big difference. But shows clearly the critical importance of getting the measurements exactly right.

The 1/8" smaller double ring i also ordered, is a bit too tight, i got it on (with difficulty) but could not get one finger under the ring. However, i suspect my sac will stretch some over time and i will be very glad i've got the smaller base ring then.

i'm totally thrilled, and so is my Owner. i feel i might wear this forever with pleasure.

Again, i can't thank You enough for Your wonderful customer service, and would be pleased if You wish to copy this into a testimonial or would like me to post one separately on Your webpage.

With deepest thanks and great respect, for Your craft and consideration,

Best device around

Oct 23, 2014 by Oskari

Been into chastity play for multiple years and have tried multpile devices (curve, cb6k, Holytrainer V2) and have to say Jailbird beats them all. It is very comfortable to wear (I sometimes forget I am even wearing it) and most of all it's very easy to maintain hygiene. You don't have to remove it for cleaning, which make it great for 24/7 use. Security screw makes it even more discreet under clothes. Haven't had any problems wearing it at work or gym.

Great craftsmanship and great customer service.

great product, great customer service

Oct 15, 2014 by chris

So my Dove and i originally tried a soft plastic chastity device for me, but quickly realized it was no good. After begging for a metal device, i did some research and found myself here at Mature Metal. W/we looked everything over and decided on the Jailbird. after (what i thought was careful measuring), W/we put in O/our order. When the Jailbird arrived, it was amazing, a beautiful piece of jewelry. When i first wore it, it was great, wasn't obvious under my pants, easy to clean myself in the shower and snug. Unfortunately, i chose the wrong gap size as I later learned. i was having pain and my Dove and I couldn't figure out why. After checking with MM, they had the answer right away and were great about helping me get the correct gap size. Thank you very much to everyone at MM.

Note: while i like the symbolic aspect of the lock, i found it would poke me every once in a while. if You are going for comfort, i would suggest the Security Screw for comfort and helping the chastity cage keep an even lower profile.

The best chastity device I have ever tried

Jun 19, 2014 by Caged Lion

I've been reviewing chastity devices for fifteen years. I have had a longstanding interest in being caged. Until I tried the Jail Bird, nothing was comfortable or absolutely wearable like this cage. I have had mine for five months now and have worn it 24/7. It is currently being adjusted. MM is wonderful about adjusting for a perfect fit. The cage was too long and it is being shortened.

Since my flaccid penis is quite short (1 1/2"), the Jail Bird is the best choice I think among the Mature Metal products. It securely holds me and effectively prevents erection or in-cage naughtiness. It is probably the only cage out there that works so well for the smaller penis.

It is easy to stay clean without removing the cage or going through any trouble. It is absolutely invisible under my clothes. My wife likes it because it is very easy to remove and put back on. We have the security screw option. I am very happy with it. When the screw is in, there is no play between the cage and base ring. A padlock allows a little movement. Without a lock, there is no rattling or other sound.

If you are serious about male chastity, MM is absolutely the best custom cage maker out there. The workmanship is excellent and delivery is always on time. Considering the quality and that this is a custom made product, the price is very fair.

Absolutely Fantasic!!!!

Apr 25, 2014 by Tom

My device arrived yesterday and I was locked up immediately. My wife and I have been playing with male chastity for about two years. We've been using a very popular plastic device. While it did the job, it was not comfortable for more than a few days. Security was also an issue as was durability. It did split a couple of times and had to be repaired with super glue. When we decided to go full time 24/7 lock-up we knew we needed something better.

After doing some research we settled upon the Jailbird. It was ordered in early March and just came. It actually arrived a week early so that was a plus. My wife loved the way it looked. She called it jewelry. After locking it on I realized it needed a slight adjustment to the gap. A quick email to MM and they said I could of course send it back for adjustment or could do it myself. I felt very comfortable doing it and did. It was locked back on and I must say it is extremely comfortable. I don't know I am wearing it about 75% of the time and I expect this to get even better.

If you are considering long term wear don't waste your money on cheap plastic devices or Chinese metal knock-offs. They won't fit right and you will not be happy. Spend a little more and get a custom fit MM device. You will not be sorry.

Thank you Mature Metal. You have made this couple very, very, happy.

Excellent quality and service

Apr 05, 2014 by MisterE

I had been in and out of polycarbonate for years before finally plumping to spend money on a metal device. The plastic models were off puttingly smelly for my wife after a couple of days, and I was forever getting abrasions from the unforgiving contact. So I was always out to clean or heal and Mrs E never felt she was really in full control. The Jail Bird has completely resolved this - it was exactly as ordered, fits perfectly, and has been on none-stop since we received it early March.

I can't speak highly enough of MM who helped out by email with sizing and customising details, or of the quality of the product,

Miss D

Mar 21, 2014 by Debora

This is the second cage I have purchased from Mature Metal. Their quality and service is amazing! I purchased the first Jail Bird for my husband after I had him wear a plastic cage for several months. I selected the Jail Bird because I like the looks.

I recommend first time cage buyers avoid the plastic cage, measure as recommended and eliminate major problems not found with a Mature Metal cage.

The measurements from the plastic cage were used to fit the first Jail Bird. It fit OK but after a year wearing the Jail Bird, his scrotum stretched. This stretching made the cage not fit well.

This time, I took exact measurements as recommended. The fit is perfect. He is comfortable and I can enjoy the purpose of the cage without his complaint of fit and comfort.

If I could change the past, I would have bought here first, used the sizing rings and saved the problems of the plastic cage...such as hygiene, poor fit and unacceptable discomfort.

Jail Bird is the only way to go!

Mar 11, 2014 by Desert Sub

I started my chastity journey in a plastic device, as most guys do. It was okay to get an idea what chastity was all about, but when it split and pinched me in a very sensitive area my wife/keyholder wasn't happy! A short time later I bought the short version of the plastic device and it was somewhat more comfortable, but my wife was always worried that it might split like the first one and she wouldn't be there to release me. When she decided she preferred me being locked fulltime and I agreed to it I decided it was time for a custom fitted device and got her permission to shop for one. The Jail Bird seemed to be what I was looking for and after showing it to my wife she said "Get it ordered!" It came in last week and she immediately locked me in it. She loves how it looks and since she is a nurse she also likes the open design over the plastic devices, as it's much more hygienic. After a week in the Jail Bird I can say that it is MUCH more comfortable than the plastic devices and it is a LOT easier to keep clean! The comfort level is so much better than the other devices, which is good since my wife only unlocks me for her pleasure and once a week to shave! We also opted for the security screw rather than the padlock, and it was a good decision. The screw is much more compact than a padlock and you don't have to deal with something flopping around and making strange noises if you spend a lot of time wearing only gym shorts like I do. Having a mechanical background I can honestly say you aren't going to go to the hardware store and find something to fit the keyhole on these screws! Overall I have to give the Jail Bird 5 stars and two thumbs up, it was worth every dime we spent on it and probably more! Mature Metal's customer service was also great. I made a slight change to my sizing a couple of weeks after ordering it and Mistress MM handled that with no drama whatsoever. I also received the Jail Bird a couple of weeks sooner than expected, which was a plus! Thank you Mature Metal for a quality device!

Superb Product

Feb 19, 2014 by StevenS

I have tried quite a few devices over the last few years cb2000,3000.6000 and 6000s as well as a silicone device and cheap chinese metal. Without doubt all pale by comparison to the Jailbird. Once you know chastity is for you don't waste time and money on inferior devices. A one time investment in a proper device custom made is a no brainer. Both myself and my wife LOVE the Jailbird. It's in a different league from plastic and silicone devices. If your serious about a chastity device do it once and do it right. I would recommend Mature Metal to anyone superb product and perfect service.

Mature Metal , USA 4.9 5.0 39 39 What can I say that hasn't already been said? The first one I had made, I was cocky and though I could go an inch shorter. Boy was I wrong! This device has no give and no movement

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