Long traverse on the boulder of L'Amie Dalle (red n°15). Sitstart in the overhang as for Les Grattons Laveurs (red n°15 bis), traverse to the right at Plein Gaz (orange n°6), pass the round angle, continue on a ledge and exit in the face, downclimb on oblique holds as for Cascade and exit in that one by a mantle above a crack with a red triangle.