a5191371_ing_the_Right_Strike_Indicator__2
[0] Dry-Fly [1] Easy to use; not constrained in the type of dry fly used; fish two columns of water; good for easily spooked fish [3] Shallow streams (less than 5 feet deep) [2] 
Some times fish will hit dry fly instead of nymph because it's bigger; casting two flies in tandem can lead to many tangles and knots forming in the leader section
Picking the Right Strike Indicator
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