Black Diamond Magnetron GridLock Review: A Super-Fast, Feather-Light, Screw-Free Carabiner

For those who participate in rope-centered sports or performing arts, the carabiner is one of the most important items you own. It's what keeps you attached to your rope, and thus, your head attached to your spinal column. But locking carabiners have always been unwieldy and hard to manipulate. Black Diamond wants to change that—with magnets. More »