By flipping your quilt sandwich upside down, you are able to use your bobbin thread to quilt designs on your quilt top. http://www.superiorthreads.com/produc... In this video, Cindy Needham demonstrates Razzle Dazzle 8wt Bobbin, Couching, & Serger Thread by Superior Threads. Cindy shows how easy reverse quilting is and why using decorative threads in the bobbin for a unique look is easier than it sounds.