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I started with the first link, but ended up in between those two with this one only with the 50mm ring.. It's my daily driver and I haven't really found a need to invest in a more expensive one. Plus, Mrs likes the look of the metal.
What kind do you have now? If it's plastic, might be worth trying metal. They both have their pros and cons, but in my experience metal is much more comfortable.
I've been using this one for a couple years on and off. I've been 24/7 locked in it except for showers or Mrs orders for a couple months at a time. I sleep in it and when I get good placement, I forget it's there. It's not perfect, you'll want to keep your pubes in check (I use a trimmer, hate shaving). If you already know your ring size, it makes it easier to find a metal cage.
And to answer your question, this is the cage I'm in 24/7 expect for when Mrs lets me out for showers.
This is the one i use. I have 3 of their cages, never had an issue with them. Really sturdy, good locks.
Just find the right size and you wont be disappointed
For whoever asked and got deleted, its a Ternencelink