Which element does one invoke when consecrating a silver bell? An altar cloth? Something made out of wood? Thanks for your help. jimnonjoo

I have both the Power Meditation Book and the Hell's Army book. I noticed in the Hells's Army book that there are several more steps to take before opening the chakras than there are in the Power Meditation book. Which would be the better book for me to study next? And how does yoga figure into...