Many fly-tying recipes call for a tail or a wing that is as long as the shank of the hook. But how do you ensure that you’ve got the proper measurement? In this video, Tim explains how hold the material, then mark it with a thumbnail, and reposition for tie-in. The process is slightly different, depending on whether you’re creating a tail or a wing, and Tim demonstrates both. The result is that you’ll end up with a fly that is both proportionate and attractive. .