Kappy -
I just did free motion. I think the machine likes fleece better than cotton. It moved and sounded as smooth as butter. I did adjust the presser foot pressure a bit to account for the extra bulk (we used batting - I think most people don't use batting when using fleece for the back). Thanks for reminding me to put it back.
Another interesting thing was the lint. I pulled very little lint out of bobbin area. I guess most of it stuck in the fleece?
I will definitely be using fleece for another back.
I'm not sure how I got two posts. Hopefully someone can combine them?
Thanks for looking.
Darren