Dave Janovetz wrote a review of DMM Zodiac I Beam Keylock Carabiner on December 18, 2009
I bought two of these with the twist lock gate and they are sweet! These are my first auto locking carabiners and they make me wish I had forked out the extra cash earlier. I bought them to try and make roping up with gloves on easier. Rope goes in and out easily, great product that simply works.