Uffe's Killer - a new addition to the River Fly Box

I mentioned my success using Uffe's Killer during the fantastic Mayfly spinner falls we have been having. I am delighted to be able to include the tying tutorial for this pattern on the River Fly Box. My sincere thanks to Ulf Hagstrom, friend and genius fly tyer, for letting me include the pattern:

Tying Uffe's Killer

~Dave