Straight skating and double the basic essentials almost, but in the appearance of a more obvious difference only, followed by the method of braking there is a certain difference,Straight and classified, smooth shoes, skate shoes and extreme shoes, and casual inline skates. If you can start to buy a pair of leisure, essentials is to reduce the center of gravity, feet outside the character standing, pedaling the way with the double is the same. Action from slow to fast, pay attention to grasp the center, practice the venue to choose the first open in the square and the like. Pay attention to start must adhere to, to spend a little more time to practice so slowly there is progress.