Petzl Croll

Used together with the ASCENSION for ascending the rope.

Features:
Rectangular upper hole for attachment of shoulder straps to keep the CROLL correctly.
The CROLL slides up the rope easily as the user ascends.
To be used in conjunction with the ASCENSION for ascending a rope.
Trigger cam with teeth and cleaning slot: works even on dirty or icy ropes.
Ergonomic spring-loaded catch designed to facilitate the installation, as well as the removal of rope when the device is in place on chest.
Spring-loaded catch can be locked in the open position, so the rope clamp can be put on or taken off the rope with one hand.
The attachment hole is oriented so the device lies flat against the chest when clipped in.
For use with the SECUR should straps, which hold the rope clamp in position.