Grivel 2015 Clepsydra Twin Gate

TWIN GATE, two gates, twice the carabiner. Carabiners clip and unclip by accident, unclipping can cause injury, death, and huge inconvenience, the only carabiner that successfully cures this, is the TWIN GATE. Check it out, accidental unclipping seriously compromises longevity! Where it matters choose the Twin Gate: twice the carabiner!