Chastity is definitly one of my buttons, with several buttons attached to the button lol.
i own 6 cages of different sizes and material. Half are metal, half plastic (i like the metal better, psychologically, they are more a "cage' for me).
For me, i usually buy 'toys' and other stuff like cages when i am feeling super horny or needy and my wits are not about me. i use or wear them, maybe once, and into my drawer they go. my problem is, for me these items are all a part or extension of a Top or Dom when i imagine them being used. i'm not much for masturbation, especially penetrative, because it feels like i am trying to be a Top/Dom doing myself. i know, that may sound weird, but it is disappointing and feels almost like cheating.
Enter the "male chastity device." i deeply associate chastity with the need/desire of a Top/Dom to own and control my penis and orgasm, so as noted above, i am not able to successfully do that with myself, but it of course doesn't stop me from needing/wanting it, so i have 6 cages lol. sigh.
Sorry for the long intro, but i honestly have a hard time separating the device from the intent.
You've no doubt discovered that you can go from relatively inexpensive (my favorite cage cost $25 on Amazon) to a hundreds of dollars for a custom made cage from places like
https://www.maturemetal.com . i had a Dom (who evolved into a friend when the D/s wasn't right between us), who i went through His process of measuring for a custom cage. That was a wonderfully sweet process, where i measured two times a day and sent Him pics of my penis with a sizing ring and a measuring tape next to it so He could see size and fit and ultimately choose the size and cage He wanted for me.
my favorite device is actually a micro, which cages me on several levels. Practically speaking, it was only $25 from Amazon and (so far) has turned out to be the most long term wearable of any i have worn. Which may surprise some, it did me. That is in large part because wearing it does not so much cage my penis as it internalizes it into my body and contains it there. For me, that would be particularly powerful for a Top/Dom to want that for me. Also, the micro style makes the penis look sort of like a button, nub, clit... which again, adds a big psychological component for me.
i actually got two micros from Amazon, one was a solid cap with a hole for peeing, the other a cage. Either may have the challenge of causing pressure wounds from long term use? idk, i didn't wear them long enough to find out, but i could see the beginnings of one with the cap micro from the pressure of my penis against the pee hole in the cap. Both came with urethral straws, which i dearly love because they have the effect of making the penis a part of the cage. But i question the wisdom of wearing the urethral straw long term because of UTI risk.
The larger cages are very different to me, sort of emphasizing while restricting the penis, almost like putting it in a picture frame. They have a very different Psychological effect... on me anyway.