Sewing notions are tools that help us complete sewing tasks easier and more efficiently. These are my favorites!
I always say, no matter how much we already know you can always learn something new. Open a book, website, or blog, take a class that is labeled for beginner, even if you think your skill is higher. I bet you will learn a tip or trick or two; there is something to be said for taking it back to the basics now and then, it's refreshing.