Auto-Lock Carabiner - RockO

"The 3-stage Autolocking carabiner features a pull-down and twist action — a motion that’s more intuitive and natural for your hand than lifting up and away from your palm. Rock Exotica identified several surfaces where ropes and lanyards can be held up by the edges of the gate and sleeve, which can lead to dangerous cross-loading. Rock Exotica has designed its auto-lock sleeve with beveled edges to minimize this risk, and provide a smoother interior for the materials connected to the carabiner."