"And I thought I knew a lot about threads?!" -Mary L.
"Hi Sally,  I watched the CD twice now and like it very much.  The information is helpful and eye opening.  It is clear, interesting and concise.  I appreciate you letting me preview it.  My career background was in training and I can honestly say it is a very well done production. I refer to it all the time. -Marilou Spears"
 
See how to adjust top tension adjustments and bottom tension, cones, bobbins, needles, fabric tension, batting, and 15 minutes of trouble shooting. For all machine types from sit down to stand up.