We had no idea 3M had a washable, nontoxic, removable, restickable Glue Stick. Soon anything paper or fabric-like in the office will be transformed into some bastardized version of a Post-It. Napkin sketch Post-It, used napkin from lunch Post-It, someone else's paycheck Post-It, etc.
3M Washable, Nontoxic, Removable, Restickable Glue Stick