Originally Posted by quilttiger

I've used threads of all kinds, different weights, etc. without any problems except for rayon. Rayon seems more suitable for machine embrodery than FMQ. It kept breaking for me so I don't use it anymore. I have had some rather biased quilting teachers tell me not to use Coats and Clarks. I don't listen to them. Coats and Clark have been around for years, and that is good enough for me, smile.