What is it? – Open any catalog of sewing notions and you’ll immediately be overwhelmed. There are so many specialty tools with each designed to assist us in our various sewing tasks. But as the “specialty” moniker suggests, they often apply only to a specific niche (or even micro-niche) of a particular sewing operation. But what about the other sewing tools, the ones we use all of the time? What about those sewing notions that have expansive applications to a wide spectrum of sewing requirements? Take tailoring or dressmaking for example. What are the operations common to most…