Skipper Road Cone. Hailed as a revolutionary new cone, the spiral ‘helix ‘ design is not just for aesthetics, it greatly improves on wind deflection compared to standard cones and improves its stability. Features ; Benefits. Helix design makes the Skipper Road Cone perfect for external use; however, it ‘s eye-catching design can be used anywhere Specially-constructed glass-bead sleeve offers twice the light reflectivity of standard, prismatic alternatives Skipper Retractable Tape Units click into place on the top of the cone