DMM A531GR Carabiner Mini XSRE 4Kn Type_Air Filter 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

that's all that matters

with two double pulleys

Freedom of movement w/ one floating dee

Incorporates a 90 degree twist in the eye of the CAM eliminating the need for a locking twisted clevis

DMM A531GR Carabiner Mini XSRE 4Kn Type_Air Filter It does this by allowingThe DMM XSRE Carabiner is small but mighty (consider it a power peanut), easy on the eye and full of attitude this small racking element is the full package. Hot forged I Beam body provides the backbone of this super strong featherweight. This is the most useful high performance accessory carabiner on the market with hundreds of potential applications.