After several attempts, and lots of money over the years. I have finally found a device that works. The Ghost from www.customchastity.com I opted to spend the extra coin and get a custom one. An option which I recommend. Take the time to follow the measurement directions. The normal procedure with custom cages involves you receiving a resin prototype, it's a weaker and cheaper material than the surgical nylon that the final version will be made of. However in my case, due to sleep deprivation on the part of Lady Fox (who was a pleasure to work with), I wound up with a prototype made from the surgical nylon. The fit and finish was nearly perfect. I did have to use a bit of lube on the pin of the dovetail joint between the cage and the base ring, however, as a fabricator, I was impressed that it fit that tight and all I had to do was put a bit of lube on it. The cage has a tab that the lock body fits under. Not only does this make it difficult to cut the lock without damaging the cage, it, and the dovetail joinery makes the cage almost silent. In order to hear any clattering, you have to jump around in the nude. If you're jumping about naked, while wearing a cage, I don't think it being heard is a concern. The first cage, which had too large of a gap and was too long (made to spec, specs were bad, my fault), but it was still the most comfortable and secure cage I've ever worn. The second one, fits even better and it's easy to forget about. Seriously, my underwear is less comfortable. Between the two, I've spent 7 of the last 8 weeks locked up. The first cage which had been on for a month was removed last weekend, cleaning was supervised, and the new cage was locked on. The earlier week break was not due to problems with the device. Surgical nylon is the most budget friendly material that is offered, but it is a fine material. I highly recommend Lady Fox and customchastity.com, well worth the coin.