CROSS CORE Providing outstanding performance by utilizing the very latest combination of proprietary nano-resin and high tensile carbon called Cross Core Technology System. This ultra performance fusion of resin and material has provided LOOP with the fundamental DNA to build world-class fast action fly rods. Featured on our premium Cross rod series. CROSS JOINT CROSS-JOINT Ferrules bend with the rod for a smooth powerful action. CROSS-JOINT construction provides integral strength with uniform flex of the sleek profile and directly enhances power transfer throughout the rod blank during the casting cycle.