One day on the farm, a million years ago, my dad accidentally locked himself in the feed room of the barn. I guess the door to it weighed a ton and the old rusty lock was on the outside, and it somehow latched shut after him. He realized that he might be in trouble too because my mom would probably never go looking for him or wonder where he was to go and let him out. He tried yelling and screaming for her, to no avail. she was in the house. He started looking around the room to see if there was anything he could use to force the door open.
Quick side point: even though my dad is a mountain man and fearless and can wrestle a black bear with his bare hands while opening a beer, his Achilles heel is claustrophobia. Being stuck in a space and not being able to get out will start him to behave like a little girl.
He did find a red strip of cloth and a piece of wire, however. He rolled the strip of cloth around the wire tiny tiny tiny, and shoved it through the keyhole in the door. He waved it around and bobbed it up and down and waved it some more, hoping that my mom might see it. He almost gave up several times but decided to keep waving it around because, you know, it was his only hope of being discovered.
Meanwhile my mom was in the house. She saw a tiny wire coming out of a keyhole in the barn and then a red strip unraveling. Then she saw it waving around and bobbing up and down for a really long time. She watched, wondering, "What the heck is he doing now?" and kept on watching it, mesmerized.
Lots of time passed. Finally the phone rang and it was for my dad. She yelled out the back door for him. When he didn't come to the phone, she went outside to tell him to come and get the phone.
She figured out somehow that he was locked in the barn and when she let him out his face was beet red and his hands were in fists and oh boy was he mad. She didn't tell him right away about watching that flag the whole time.