Petzl Tibloc AscenderThe Petzl Tibloc Rope Ascender is a lightweight and reliable emergency ascender designed for self rescue situations and progress capture hauling systems. Its compact size and stainless steel cam with angled teeth provide a secure grip on the rope, even in challenging conditions like mud or ice. The Tibloc can be used as a Prusik replacement or as a progress capture device, and features a small hole at the top for attaching a keeper cord. Its simple