Copper John The Copper John is a simple, effective and very popular nymph in recent years, particularly in the USA, but not only there. This relatively young pattern has many modifications , here differs from the original only the wing case and UV glue .

Copper John A fast sinking nymph pattern that can be tied in a variety of colors. Copper wire over a tapered underbody along with a dual material wing case covered in epoxy is used to form its distinctive look.