Wing warping consists of the twisting motion of the wings of an aircraft to produce lateral control. The entire wing structure twists slightly in a helical motion in the desired direction. The Wright brothers first thought of this concept in 1899 when Wilbur, looking for a way to control the roll of an aircraft, twisted a long, narrow box and believed he could apply the motion to an aircraft's wings. The brothers first used this method of control successfully in a kite that they built that year. On the kite, they used ropes that they pulled on from the ground. When they implemented the method in a glider and later in their powered aircraft, they used cables that the pilot pulled on to twist the wings.