Here you will find all the information you need to tie all of the different J:son patterns.
Please watch the Instruction Videos before choosing a specific fly pattern. They explain how to use detached body pins, wingburners and wingmaterials, and how to tie in wings/wing-buds and nymph-legs/nymph-backs.
From the Step-by-step instructions choose wich fly you want to tie.
Use the TyinGuides to get the correct fly proportions.