On the boulder of Le Refus (orange n°13) and Le Point de Mousse (yellow n°16), to the right of the one with Les Racines (red n°7). Sitstart without crash-pad with a pinch left hand and a small undercling right hand and climb the slightly overhanging wall as for La Racinerie, downclimb the arete, continue on slopers and exit in the big gully just right of the start of Principe d'Attrition.