In this how-to video, you will learn how to get more out of your spray cans. This is useful if you want to make the most out of the money spent on these purchases. These spray cans are very useful for painting objects that would be harder with the traditional bus. First, follow the directions on the spray can. It should say to turn it upside down and spray it until it runs clear. This keeps the tips clear. If the can is old, you can carefully remove the tip from the can and drop it in paint thinner. This will loosen the particles inside the tip. This video shows you an easy way to save your spray cans.