I'm looking into turning my apartment balcony into a catio, especially since I'm planning on bringing home cat #2 this weekend and maximizing space/giving them both extra stimulation wouldn't be a bad thing! My roommate and I don't really use it so it might as well be a cat space. It's a standard 4x10ish wood-floored balcony, with about a four foot high metal railing that would definitely accommodate a kitty suicide attempt I want to get a protective mesh to cover the railing but still allow them to see out (there's a lovely little wooded area out back), but would them jumping up be an issue? I'm also planning to get a woven outdoor carpet to put down, some fake vines to cover one wall to decorate and give them something to bat at, another litter box, scratchers, and a couple of camp chairs to allow both me and the cats to hang out. I already have a birdfeeder hanging from the edge of the roof that my cat has really enjoyed watching through the balcony doors. Would she get too enthusiastic and try to hunt them and end up falling to her fluffy death? Even if she were out there, it's quite a ways up, but she could make a stupid decision, idk. Obviously the catio would be a supervision-only zone, but I want to cover all my bases (with minimal expense). Mozzie did not take to leash training but she's always interested by what's outside, so I think this could be enriching.