Patent ID: 8209823

Claim:
An accessory for belaying and/or rappelling on a single or double rope, said accessory being a one piece component, of generally elongate form, and able to be held in one hand in its width and thickness, said one piece component comprising: a base with a first hole passing through the full thickness of the base of said component and of a shape allowing a carabiner to be passed through it, and a second hole passing through the full thickness of said component and situated above said first hole, said second hole allowing at least two strands of said rope to be passed through it, and a slot passing through the thickness and extending along the length of said one piece component, said slot comprising a bottom end and a top end, said top end of said slot being wider than said bottom end of said slot, and said slot forming a notch communicating at a top end of said notch with said second hole to allow said strand of rope from said second hole to be inserted into and locked in said slot, wherein said accessory also comprises at least one boss extending transversely from at least one face of said one piece component between said first hole and the bottom end of said slot and locally increasing, between said first hole and said slot, the thickness of said component by at least as much as the diameter of said strand of rope.