Wendy aka.."FM" does a nice tutorial on them.
I like to make the herl stronger by twisting it into a rope with the thread before wrapping it up the hook shank.
Flyred, you should try to attend the "dubbing teasers" tying demos, they are a hoot!
http://www.thedubbingteasers.com/59.html
seagull, I sure would like to see you doing some more tying demos also.