The Tricolour is a fly pattern with a unique colour combination that hasgained a track record over the years when something slightly different isneeded to entice a salmon to take. Works best early morning or late evening or in generally cloudylow-light conditions.  Definitely apattern to try when you want to shake things up beyond the more standardofferings.Tied on a black Nickel Loop Doublehook.  Chemically sharpened and superstrong these are widely acknowledged as one of the benchmark, premium quality,big fish salmon hooks.