Im not interested in OBE's either. My lucid dreams just happen as described in my experience at the start of this thread. The phantom wiggling technique that you cppied into your post says, "one momentarily finds oneself somehow in the phase". That means that you may find yourself in a lucid dream or an OBE.
I may be wrong about this but it seems from what you have said that you haven't read up to page 40 as that is where the instructions for not moving upon awakening are. If you haven't read the textbook yet I would strongly suggest not skipping through the book to page 40 as you will miss vital information that will save you from making mistakes that will arrest your progress.