In the JoS website, there is a link to an article entitled "The Foundation of Magick and Handling Energy," with the URL of the link being http://www.blacksun666.com/Foundation.html. Unfortunately, I got a "not found" message, and it's also not found on the Internet Archive: Wayback Machine...

I notice that many of the meditation breathing exercises specify to breathe in and out through your nose. I have a deviated septum and usually have allergies, which makes breathing through my nose somewhat difficult. I've been a mouth breather most of my life. Does it make any difference...