Dropper flies

[Deadfisher]

I've been using this technique for years. Not so much while fly casting, but when vertical jigging through the ice for perch and other panfish. I'd rig a "buggy" looking bead head fly tied on a #8 - #10 hook 12" below a 3" jigging spoon. The flash of the spoon would call the fish in from a distance and the subtle action of the fly would seal the deal. I've lost track of how many larger predators I've caught over the years using this method but am constantly amazed to find a good sized pike chose a pinky sized fly over the nearby silver spoon!