Possee Bugger (stacking the odds in your favor)

https://swittersb.wordpress.com/2008/12/12/possie-bugger-nymphamous-how-to-from-offb/

I have highlighted this pattern before. Look at it. It contains so many positive parts, that I wanted to show it again. OFFB often references  this fly because in their neck of the woods it is consistently productive. This pattern would be productive for all the trout species, and I imagine grayling.