The Damsel Diawl Bach is a killer little pattern. Mostly used between the months of May and July, these little nymphs will catch anywhere that has a Damsel hatch going on! Steve also mentions that the best way to fish these flies is to tie them onto floating line and cast out, allowing it to slowly sink in the water, slowly stripping back. Steve also mentions that he uses a Kingfisher blue Tail, which would normally be an Olive Green Tail, this adds a little more flash to the pattern, making it even more appealing. A solid little fly for the likes of the Brown and Rainbow trout on rivers, still waters and reservoirs.