Hi Again, I noticed that most have ladders for entry as just a board with trim on it at intervals for the birds to go up. I guess this would be a traditional coop look. We have an old crib that has the bars on it. I wanted to cut the bars down to small ladder size and make that the coop entry board. Will that work? Should there be a board under or would it work to just make a ladder for them to get up. The coop will be 4 ft off the ground. Any thoughts are appreciated!