How do you know when that deep fish has taken your fly? It doesn't have to be as inscrutable as a Zen riddle. A strike indicator is the way to go.
Whether you are fishing heavy bombs at range on New Zealand's Tongariro River, Czech-nymphing your way up the Meander in Tassie, or hanging a couple of tiny midge buzzers deep in your favourite lake, a good strike indicator will catch you more fish. Interested?