Looping Pulleys The Butterknife is used to

The Butterknife is used to remove fixed heads and deadheads

In the gym or at the crag

and canyoning

Multiple friction modes provide the optimal amount of stopping power when lowering or rappelling

the Black Diamond HotForge Screwgate carabiner features a hot-forge construction—allowing us to remove weight where it’s not needed and add material where durability is key—and a low-profile

Looping Pulleys The Butterknife is used toPetzl's Looper Etrier is a lightweight ladder with four footsteps for aiding through free climbs. Petzl's unique String attachments keep the carabiner properly oriented and protect the webbing from wear and tear.