One approach I like is to use the colored junction tube - hot red, chartreuse, black, etc. To "tie" a green butt skunk for instance just use the junction tube for the hot color.
This also applies to max canyons, freight trains,etc. Black on black also works.
The mono loop method (e.g. Ed Ward) has no junction tube.
IFFF Certified THCI @ 2005
Capeflyfisher Guide Service
Island Hopper, Guitarist, Incurable Dreamer
and Founder, Worldwide Flyfishing Forum