I have fished them for several years on a fly rod; they work great for brim, white bass, yellow bass, crappie. I fish them on a floating line when fish are shallow and a sink tip when theyre down 6-8 feet. I learned to tie them up from an article in warmwater fly fishing back when the magazine was published. I generally make a small tail of flashabou or some other kind of flash; fish them with a loop knot to get more flutter-p-