Petzl Rescucender Openable Cam-Loaded Rope ClampSimple to use and ergonomic, the Rescurender is an openable cam-loaded rope clamp designed for use in haul systems as a tractor or progress capture device.Designed for use in haul systems as a tractor or progress capture deviceSimple to use, and ergonomic:- openable cam allows installation or removal of the rope clamp at any point on the rope- independent safety catches on each side of the device allow easy opening while reducing the risk of accidental opening.