I used Connecting Threads cone thread almost exclusively when I started quilting on my frame. Then I used Aurifil, and then the new Craftsy Thread ...all of which are cone threads. After having tension problems on my last two quilts I switched back to Connecting Threads and the problems disappeared. Of course it is more linty as others have said, but I'll trade having to clean the lint out a couple of times as opposed to tension problems any day.