SIO Tips no. 43: Sewing Machine Tips 2.

Cheap cotton is just that, cheap! and so those lumps and bumps, however fine, have to work their way through your machine and can damage the machine over time. The cotton often snaps during work. Buy good quality thread and treat your machine with the respect it deserves. Use the right thread for the job, ask your haberdasher which is right for the fabric if unsure.

 SEEKITOUT: Changing the world a stitch at a time.