by putting his head down of it
Personification.
Rubs is the key word because smoke can't really rub things like a human, so it's personifying human behavior.
Hope that helps!
:D®
<span>Aunt Alexandra wants the children learn about the Finch family and uphold to their heritage, but Atticus has not introduced them to the whole familes history, and instead has told them amusing stories, such as how their cousin Josh went insane at university.</span>
