right, its simple, look at woodga's last picture, 2 cages, bottom cage, door is postitioned on the left, you can see it slightly open, look at the base, see those shiney bits of flat metal, its the banding you'll see around pallets of bricks, its simply cut to length, folded around the mesh, and has a tongue left on it, the door swings down shut, going over the tongue, but on opening, you'd have to depress both tongues,
I've yet to figure out a better option than that, but I 'd be a bit worried as it seems you'd have to insert a finger through the mesh, to depress each tongue, with your an