I suspect that knotting ones own nylon leaders nowadays, is a little like carrying carthorse food in the boot of your car for a long trip. We have simply moved on. We have knotless tapered leaders, and they are great. Correct. We do. But I am an eternal fiddler of the piscatorial type. And none of the tapered leaders I have bought come with an explanation as to what taper they were designed on. None of them come with a boiled butt, or a switch in material from nylon to fluoro-carbon somewhere along their length. Tying your own tapered leaders