Evident roof with marbled holds, along the 25 Bosses path, 30m above the tunnel of Musculus. Sitstart on the right with an ear-shaped hold right hand (which broke in May 2025) and a vertical hold left hand, climb the roof, dyno to a jug on the left and exit with that one.
NB: it is possible to exit on the right of the prow from the jug (same grade).