Here are all the materials for Tying Howard Croston's Famous Cased Caddis Jig. This fly was originally designed for fishing deep and slow in cold winter conditions for grayling. It's intended to bring down the cast and help anchor smaller, lightweight nymphs close to the bottom. This fly, however, is designed to look like a cased caddis so it also gets plenty of eats from fish in it's own right. This nymph pattern is tied in size 12, but you can tie them both bigger and smaller to suit your river and water depth. For those who are wondering, this fly is tied to hide all its extra weight, which makes it legal by international competition fishing rules.
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