John_B
Grasshopper
T,FTFY.As you can see, it goes down the back, under the can light (or stuffed in waist band) across your body, behind your neck, and to your mouth.
Instead of the 2004 DIR DVDs, I'd get the 5thD-x Intro to Tech DVD (see above) and a copy of Dan MacKay's "Dressed for Success" book and maybe JJ's "Fundamentals of Better Diving" book, then find a DIR instructor.