Pineapple Metaphor
Perhaps not a well know metaphor or symbol but for me the pineapple represents hospitality, inclusion and comfort and this is what I strive to create in my classroom.
TweetExample for "Pineapple Metaphor":
https://docs.google.com/document/d/1Ep4LP9kDwXAJDurewOpH5Scjugh6ciTx5wqUrJO3Ug8/edit?usp=sharing