DYZD Locking Carabiner provides a one hand approach to locking. A simple twist the barrel and push against the spring load will open the device. Automatic re-locking when you release the pressure. Designed for rock climbing, hiking, rappelling tool, rescue, lock the dogs and harness. D-shape Carabiner is proved to hold the maximum strength than other shapes at the same size.
Used for outdoor, attached to the EDC / Camping / Hiking backpack, handbag, or use as a keyring. Free your hands!Very practical and convenient for daily life.