I just saw this pdf on my Google+ page and that it was worth sharing with you guys.I thought it was real nice to see how it explains how the cutter teaath work. Lots of good information and tips. https://plus.google.com/109174592376217930645/posts/cKvaYPcPSu7
Fantastic link.. Most of you here have forgotten more than I know and this really cleared some things up for me..