So it’s essential to transfer your hands quite a bit to fly really active, it’s not like flying a two-Liner with B-Handles in which you only must pull 10cm max. For those who fly the Line quite Energetic, you can fly trough actually tough air without getting collapses. 3D Occlusion https://id41716.illawiki.com/1765318/the_basic_principles_of_paraglider_and_harness