George Gehrke's Xink Wet Fly Sink eliminates the need to use lead in nymphs and wet fly patterns. A nymph dressed with Xink will sink faster and more naturally than one with lead wraps around it. Xink Wet Fly Sink is simple to use. Before you get your streamer or wet fly wet, simply dress it with a very little amount of Gehrke's Xink. That wet fly is then condemned to sink forever.