I'm seeing things about two band brushes, what does this mean? I just bought a Semogue 1438, no idea how many bands it is. It isn't like the whole cartridge razor thing is it, ie., doubles, triples, and more?
check out the first entry here, dudes:
http://wiki.badgerandblade.com/Glossary
lots of helpful information is to be gleaned from the glossary.