My Grandfather, who was born in Aberdeen in 1900, taught my father a tie knot called the reverse Windsor. Jerry Pratt taught T.V. personality Don Shelby the knot, and it became know as the Pratt the Shelby or to twist it, the Pratt-Shelby. The knot has also been know in Italy. But I say, it is the Scottish reaction to the Windsor. It is a reverse of the Windsor that ends up being tight symmetrical sliding knot, easy to pull on and off, neat, strategic and wee bit...