Old Flies = Best Flies?

Chester Allen is prompted to try a ninety-year-old pattern, the yellow Knudsen Spider, after finding that all the new flies he’s tied stopped working on sea-run cutthroats. “The fly, which was first tied by an Everett angler named Al Knudsen, has fooled fish since the 1920s. But I forgot about this terrific fly during the past few years — mostly because I started tying sea-run cutthroat flies to match the little fish and crustaceans in Puget Sound.” In The Olympian.