FlyMen Bench Booster - Articulated Shank AssortmentArticulated Shank Bench Booster Bench Booster boxes aim to "boost" your existing fly tying materials by providing a handpicked selection of materials for tying broad categories of flies, and offer great value for money. The Articulated Shank Bench Booster is a selection of Flymen's articulated shanks including Next Generation shanks, Articulated Jig shanks, Exchanger shanks, and Senyos Micro shanks. A total of 300 shanks from 12 different models in a