A carrick mat is a decorative-type of knot with the ends connected together, forming an endless knot. The basic carrick mat made with two passes of rope also forms the central motif in the logo of the International Guild of Knot Tyers.The carrick mat was a much used improvised mat used by many seafarers, especially in the days of sail, as a protective or cushioning pad.Is a flat woven decorative knot of coarse hemp rope. There appear to be two to three lengths of rope in the construction. knots, carrick mat, carrick bend knot