Mull

The mull is a strip of cloth that is attached to the back of the sewn signatures and the tapes, and is also affixed to the cover boards with tapes. Cut a piece of cloth in a size that can conceal the top and bottom kettlestitches along with the tapes in between them; make sure that your chosen length is at least three inches wider than the back of the signatures so that it can be extended onto both sides. Continue reading →