Teachers and administrators at commencement place their tassels on the left. Traditionally, the moving of the tassel at graduation is called, turning the tassel or the turning of the tassel ceremony.. It symbolizes one's transition from candidate to graduate.
Bailey, D., Bailey, S. & Hufford, M. (1996) Copperheads Smell Like Cucumbers. [Audio] Retrieved from the Library of Congress, https://www.loc.gov/item/cmns001450/. Bailey, Dave, Sherman Bailey, and Mary Hufford.
The overwhelming smell would have to be blood. In large quantities it is really and truly sickening, and there is a kind of underlying sweetness beneath the initial coppery scent. I'm not really squeamish about blood but I've been in surgeries with a lot of blood loss that really gave my stomach a turn.