All I can tell you is what people have told me over the years and I have had several tell me they caught over 300 crappie on one jig. I am sure these were hackle tails as I also use a lot of marabou on 1/32 Oz Roadrunners and usually I loose one before I wear them out, but my neighbor and I fishing one really good week a few years back and he caught about 125 on one jig before he retired it. They were still hitting it, but the tail was really short by then. That's about as good as I can do as far as how long converted into how many?

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