A device shaped like an 8 used for belaying and rappelling.

a knot having the shape of the numeral 8; tied in a rope that has been passed through a hole or pulley and that prevents the rope from coming loose

Metal device used to provide friction on the rope during an abseil

A common belay device shaped like the number "8" and used for belaying and abseiling.

An aluminum rappelling and belaying device that is shaped like an 8.

A knot or rappelling device

descender or belay device, named for its shape, and very popular on the Continent and with sport climbers. Its low friction means that it needs more expert handling than a Sticht plate or gri-gri. Sometimes used to mean figure of eight.