The Global FlyFisher

Simply the Best Place to go for Online Fly Fishing and Fly Tying

https://globalflyfisher.com/picture/step-1-insert-one-of-the-fly-lines-into-a-piece-of-shrink-tube-of-approx-6-8-cm-3-inches

Step 1 - Insert one of the fly lines into a piece of shrink tube of approx. 6-8 cm (3 inches)