You need to get your streamer or soft hackle wet fly deeper than you can with a floating line. You want it to stay deep during your retrieve or swing. Should you just add a sinking poly leader to your floating line or are there times when a sinking tip fly line works better? In this video, Tom Rosenbauer explains how to make this important fly-fishing decision.

Expert fly-fishing instructor Tom Rosenbauer demonstrates the best ways to fish deep using either a sinking tip line or a poly leader. The choice depends on water depth and current, affecting fly presentation. Observe various techniques for different river conditions and learn how to adjust your approach.