WICHARD sail pre-threader A4 foldable SB-Pack

WICHARD Pre-Feeder To open simply push the spring with your thumb, the jaws will open automatically. To close, squeeze the jaws together between thumb and fingers, until the spring reengages. The prefeeder can be easily installed below any headsail foil or headsail reefing construction. In the closed position, it ensures a smooth and easy sail hoist