This may be the single best searching fly for many of the rivers of the west. When fishing Mid-day during summer months many trout like to lay on the shady edges under overhanging grass or trees.
The transition between bright sunlight and deep shade can be visually challenging to any angler. The same thing happens with the glare of late afternoon, just before the full shade come onto the water. During these times you will remember why you bought the “Hot-Wing” flies.