Originally Posted by
Tundra_Man
Don't you hate it when you're riding to work in the morning and your head starts to itch? So you reach up and scratch it. Then you realize that you're wearing a helmet so you're actually scratching a piece of plastic. Then you realize there's a bunch of people watching you scratch a piece of plastic sitting on top of your head.

Well, I was once riding and saw that the end plug on my road handlebars had worked its way partly out. So I gave it a good smack. I forgot the laws of physics. It's just by luck I avoided eating pavement. There were witnesses (cyclists AND pedestrians)