PETZL - ASCENTREE, Double Handled Rope Clamp for Tree Care INTENDED USE: Designed for ascending doubled ropes using the foot-lock technique or using two PANTIN foot ascenders. SIMPLE: Ergonomic overmolded handles allow a comfortable yet powerful grip. PROTECTION: Safety catch is totally integrated into the body of the rope clamp to help prevent snagging. BEATS THE ELEMENTS: Toothed cam with self-cleaning slot optimizes performance under any conditions (frozen or dirty ropes...). ATTACHMENTS: Lower hole for connecting a PROGRESS lanyard and upper hole for clipping a carabiner around the rope.