Shunt Petzl

Shunt PetzlThe Petzl Shunt is a multipurpose device designed for both the lift to be used as an emergency brake on the descent. It can also be used as in climbing Autoinsurance Top Rope.

Its functionality is very similar to the one implemented with Prusik knots Bachmann AutoBlock or Klemheist, also described in this site. It can be used both with double strings identical as a single rope.

The vocal cords can not be used trenzadas.Si double strings, it may have a diameter between 8 and 11 mm rope if simple, it should be 10 or 11 mm in diameter.

The braking is implemented by the friction between the rope and the shunt. In declines may be placed below the descender as a safety mechanism.