Natural Fibre Processed products of plant and animal origin used to make cordage (5)

Neck (of a knot) The stem of a knot. (3)

Nip (a) A short turn in a rope, (b) to pinch or close in upon. (6)

Noose A knot with a loop that binds more closely the more it is drawn. a running knot. (2)

Nylon A synthetic material of the polyamide group. (1)