EDELRID - HMS Strike Safelock Carabiner, Icemint SafeLock carabiner with two independent, automatic locking mechanisms that make accidental carabiner opening virtually impossible Spring bar for correct alignment when belaying preventing cross loading; also ensures gate is properly closed Keylock closure system for optimal handling when clipping and unclipping The deliberately complex opening procedure provides additional safety for a wide range of uses (HMS carabiner, top-rope rigging, roping up on glaciers) Spring bar for correct alignment when belaying preventing cross loading; not recommended for use with the Mega Jul or Micro Jul.