I sent an email to Coats and Clarks with questions about their thread. I didn't get a satisfactory answer back. I asked them if there was a difference in quality between their thread sold in Walmart and their thread sold in JoAnns. I also asked them why the spools were different in those two stores.
Their spools in JoAnn's is on one of those more modern spools with the groove around the edge where the thread is caught in. The spools at WalMart had the old fashioned slit in the edge where the thread is caught. They never answered that part of my questions. I wonder if since the spools are different, perhaps the thread is different too.
I told them the reason I needed to know is because Walmart is very close by where I can drive myself, and JoAnn's is a long distance, where my husband has to drive me 'cause I don't know my way around that part of the city.
I used to really like C&C, but I am slowly changing to all cotton thread of a better brand; some of the brands mentioned here at the forum. I heard somewhere reading the posts that polyester thread is so strong it can cut through the cotton material in time. It makes sense that cotton thread would be more pliable.