Rock Exotica M31TLN RockSteel Auto-Lock Carabiner, Black Type_Pitch Breaker It does this by allowing

It does this by allowing the bungee to run past the ascender all the way to the foot through a liner where it then pulls the lower tether and ascender up the line from the bottom when it is un-weighted

Attaches to your ascender with a carabiner or other safe connector

The keeper strap cinches around your foot for comfort and security

The pack comes with one extra fastener

404" pitch and adapts easily for spinning 3/4" rivets when used with the 3/4" pitch adapter kit

Rock Exotica M31TLN RockSteel Auto-Lock Carabiner, Black Type_Pitch Breaker It does this by allowingThe rockSteel Auto lock offers a smooth operating three stage auto locking mechanism and smooth keylock surface that won't snag your rope. Our rockSteel frames are CNC machined for precise fittings and exact tolerances.