After looking through my book of Irish Fly Patterns I thought I would tie this fly as its a bit more true to the original pattern although looking at pics of original dressing it should maybe be more heavily dressed. I don't suppose it will make any difference to the troot. I imagine the only time you need to stick to an original dressing is for display purposes and the like. Far too much is made of sticking to exact original dressings for success with troot.
I have been at the tying bench tonight tying up a few Clan Chiefs. This fly is a favourite of mine. It is a modern day traditional fly created by an Orcadian man,John Kennedy. it was originally designed by him for migratory fish. It also has a good reputation on the mainland for brown trout. Its creator was clearly inspired by the Kingsmill - Moore bumble patterns. This version I have tied tonight is a little bit over dressed as it was originally intended to be tied sparsely. I will let the trout decide.