The great chicken escape took me three hours to figure out

My old rooster, Hank, was a master of the jailbreak. He figured out the weak spot was the gate latch, not the fence. He'd peck at the metal hook until it bounced up just enough to swing open. I had to replace it with a carabiner clip, the kind you use on a backpack. He stood there and glared at it for a solid week after that.