Petzl - RACK Volt or a Munter hitch

or a Munter hitch

With a heat-treated metal shaft that runs the complete length of the handle to the metal strike cap

possible even with gloves

A waterproof liner will keep you dry no matter what the weather is doing

it is powered by the applied voltage

Petzl - RACK Volt or a Munter hitchVariable friction descender with brake bars The design and configuration of the RACK bars make it easy to set up and insert the rope. Compact and lightweight, the device allows the user to adjust the amount of friction during the descent, to adapt to changing conditions. Allows the friction to be adjusted during the descent according to the weight of the rope: the lower bar is removable and easy to put in place Distributes friction and heat to help