- THE #BERLUTI KNOT - The quintessence of sophistication, the Berluti shoelace knot was established by Olga Berluti in the 70’s, and passed along to her by the Duke of Windsor, who had learned it from his own grandmother. It is as infallible as it is simple, and only comes undone once his owner has decided it should, by pulling the two laces simultaneously. Learn how to tie it with our video tutorial.