2, the upper body is relaxed, the head of the snow pole is raised at the height of the hips in front of you, the snow pole hangs behind you, and the center of gravity is on the inside of the front foot, so you can't sit back. When sliding, the tail of the double boards opens in a V-shape, that is, the weight of the buttocks is evenly distributed on the two snowboards, and the knees and ankles rotate inward, so that the inner sides of the two snowboards stand up and scrape the snow surface to form a wedge embedded in the snow surface, which increases the resistance and makes them slide down.