Thanks for the info!! Maybe I'm looking in the wrong places but it seems like 1/4 is a little bit more expensive but maybe not and I think you're right, they're still similar in price. Do they carry 1/4 at most places that carry the other size? And if I can't find any (though I'm sure I will), would I have to use like a washer or something on the bigger size so it doesn't come up?
And thanks, I think I'll probably have a roof and I'm going to put them inside (enclosed hopefully and wooden rather than open) at night so would the HC be necessary then? I think I might free range anyway. Although I wonder where the HC two feet up thing came from then? That's interesting they're so sneaky though, although a little scary haha I'm thinking I'm going to put locks on the nest boxes (outside ones) and/or all the doors because I've heard they're really smart and figure out latches and bolts and things shortly
Most hardware stores (Lowes, HD) and feed stores have the cloth. A washer would work fine on 1/2. I have latches on all my doors with clips