Sage ESN Fly RodSage ESN Fly Rod, EUROPEAN STYLE NYMPHING: Heavy fishing pressure pushes trout out of their soft glides into faster, choppy runs protected by rocks and structure. Europeans developed a style of direct line nymphing using multiple, weighted flies fished under tension on light tippets to systematically dissect these micro environments, catching fish when no other method could. The ESN Series with Konnetic Technology makes for an extremely light rod,