Outside of the room with the box in it.
For your fly-tying titillation, your gear-queer enjoyment...The Chassis.
So many advantages that they are too numerous to list in this short lifespan.
After years of rigorous testing and development, this is the base for pretty much all of the World-Famous Neil Creek Flies.
Preferred by 4 out of 5 fish, and coming to a flyshop near you...if you live near the flyshop that will be selling them...if we can get them to.