That’s happened to you a hundred times too, right?
Nymphing is an art of the unseen, and no matter the material attachments we add to the line for visual aid of a strike, trout take our flies without us knowing about it — probably way more often than we can imagine.
That’s why it’s best to end every underwater drift with a hook set. Do this with nymphs and with streamers, at the end of every dead drift presentation, and you’ll find unexpected trout attached to your line. The short set also prepares the line and leader for your next backcast. Here's how . . .