In this how-to video, you will learn how to clean your coins to make them look shiny and new. This is useful if you collect coins. First, you will need coins, vinegar, salt, paper towels, a pencil, and a jar for the mixture. Take the coin and place it in the jar. Next, add a small amount of salt to the jar. Now, pour three caps full of vinegar into the jar. Mix it with the pencil and let it rest for ten seconds. Now, take the coin and place it on the paper towel. Use the eraser on the pencil...