Not a snag, not a catch, just smooth, fast, clean clippin'. The OWALL was designed with the self-cleaning Keylock Latch System, a hooded gate with notched grip and smooth internal surfaces. This eliminates features found on ordinary carabiners that can snag your rope, wasting time and causing unnecessary wear and tear on your gear and nerves. Strength and lightness of OWALL's body is increased by forged ribs at both ends and a slightly asymmetrical shape. Use for aid routes where large capacity biners speed up the process and any situation that you'd like sure fire clips. Makes for a great "handle" to pull up on your next piece. Made in Italy.