Object: a man's dress jacket with buttons on the cuffs

Good morning, boys and girls. Check out this nice jacket I brought with me. Do you think you could wear this jacket? Might be a little big right now, wouldn't it. This is a man's jacket, and I want to point out something interesting about it. See these buttons on the sleeve? Why do you think they are there? Did you know that there is NO purpose for these buttons? So how did they get there?

Hundreds of years ago, there was a military general named Frederick the Great. Now Frederick the Great was in charge of a lot of soldiers. And Frederick noticed that the sleeves on hi…