I'm almost finished my coop - I'm done all the big stuff, and now am working on the finer details. The last big part I have left (other than finishing with the HW cloth) is my chicken door. This is my coop as it stands - obviously still needs work. This is looking down the run at the chicken door area: I'm concerned that I may have left the door hole too large, but I like being able to stick my head and shoulders through, even though there are other access points for cleaning. I am now trying to figure out what to do about closing it down. I live in Atlanta, and so although it's a major city, we have a lot of tree cover and so we have tree rats. I have a 6 foot stockade, but the feral dogs in the neighborhood could get over it, in theory. I've seen coyotes not that far away and I know that there are possums, raccoons, and armadillo around to be wary of...in addition to rat snakes...and so I feel like even though the run will be fairly secure (and I'm burying the hardware cloth and probably going to put gravel or pavers over that.... I really want to make the chicken door something that you can open and close from the outside, but that is also secure....and there's no electric back there. I was reading on another thread about the "hinge lock" for a vertical sliding door - I was also thinking about doing something that opens like a regular door with a heavy spring to keep it closed? But I don't know if that's secure enough. I'm basically looking for advice on what to do - which might include making the door opening smaller - I also figure that when I frame something in it will get a bit smaller. TL;DR: door help, pretty please.