Who is Aunts and Uncles from On Writing: A Memoir of the Craft and what is their importance?

Stephen King has many aunts and uncles. During his childhood, Stephen King and his family move from place to place, often to be close to these aunts and uncles. Stephen King learns many lessons from these relatives, especially an uncle who tells him the importance of a toolbox. This uncle teaches Stephen King that it is important to take a toolbox with him whenever he has a job to do because you never know what tool you will need. Stephen King uses this lesson as a metaphor for the tools a writer needs when sitting down to the task of writing.