check out
http://www.knottyboy.com/ plenty of info. You can skip the wax if your hair likes to tangle but don't try to dread clean hair. A little dirt really helps things "stick". I have also hear of people using a crochet hook to catch any stray hairs.
I have an appointment for synth dread in Oct. I'm SO looking forward to something new with my hair. Just wasn't willing to loose all of it though if I turn out to look like a complete dork with deads. I"m a hair wimp!
Chole