Kackling, Keckling Technique for protecting hawsers, cables etc. By wrapping with rope, cord, marlin etc. (3) (6)

Karabiner A metal coupling link with a safety closure--- used mainly for industrial roping, climbing and caving. (4)

Kernmantel  (Kernmantle) Construction used for climbing rope consisting of a core contained within a tightly protective sheath. (5)

Kevlar An extremely low-stretch synthetic fibre. ((8)

Kink A twist (obstructive) in a rope. (6)

Knob Knot A bunch in a rope to prevent unreeving or slippage. (3)

Knot Used to form a knob or stopper in a rope; to enclose or bind an object; to form a loop or a noose; to tie a (small) cord to an object; to tie the ends of two (small) cords together. (2) A term for a stopper, loop, and a self-sufficient binding, that excludes a Bend or Hitch; it is also the generic term for all tucks and ties made in cordage. (5)