HELP! How to use FIB Retracement lines?


How do I use Fibanocci retracement lines?...not the theory behind it but...where do I start drawing and to where and how many points away etc...anybody know a real good PRACTICAL tuturial on this...not theory..but practical...thanks in advance...IncreaseNow!
DT, Scott's book is still available, but he only sells it from his own website. Here is the link: http://www.harmonictrader.com/bookht.htm You can add it above; I tried, but it's past the hour limit.
Thanks Jim. I've edited your original post and added the link.