Roller skates helped in World War II! As the United States readied for World War II, the government entertained the notion to add roller skates as essential equipment to move infantry around Europe to save gas. It's amazing how useful videos can be even in war. They were also helpful for us in preparing these cute roller skate mouse cursors for you. Roller skaters are also useful for improving your muscles, heart, and burning calories. If you really want to be healthy, roller skate for a couple of hours a week and add this sport cursor with roller skates!