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.
Halitosis smells like hydrogen sulfide, the smell of rotten eggs. That is, it usually smells like that, although other unpleasant or unusual odors can be noted, and when there is a metallic smell bad breath is probably due to something a little more unusual.