SHORT CASTS MAKE ‘THE RIVER’ FLOW.

True anglers know that fly fishing requires a vast amount of finesse. Beyond the rudimentary skills of rigging and manipulating the rod and line, a knowledge of entomology, the ability to read currents, and possession of an adventurous spirit—and physical stamina—come in handy. To be consistently successful, however, it is less about the long-line efforts of Brad Pitt in “A River Runs Through It” and more about short, repetitive casts over familiar water that will consistently land a trophy trout.