Petzl Minder Single Climbing PulleyPetzl Minder Single Climbing Pulley The Petzl Minder is a high strength pulley intended for rescue professionals to create backstop systems thanks to its specific flanges suitable for use with the Prusik self locking knot. It also has the ability to work with three carabiners at the same time, which facilitates its use. Features: Special side plates designed for use with a Prusik friction hitch in progress capture systems Large diameter sheave mounted