Ryan Jenks on Instagram: "We are used to descenders slipping before the rope is damaged. In normal use, this Petzl stop will rarely see forces above 2 kN, so we weren’t too worried when the rope sheath failed at 11.80 kN. The device was bricked at that point. All the pins and plates were bent and it took us 20 minutes to hammer it open so we could put a soft shackle inside. But we wanted to see it explode. And it did, all over the lab. At 23.55 kN. Pull some new caving gear at https://hownot2.co