I think it's the person who ties the leaders that cause many of the problems with knotted leaders as I've tied many and coat the knots with some type of glue and trim the tag ends of the knots very close to the knot and have no real problems with them picking up debree. then again I don't have a lot of stuff to get hooked on my leaders were I fish maybe a piece of leaf or so and I don't think it's much of a bother. Just my 2 cents Later Matt

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To each there own !