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.
blood smells like metal because it's high in iron. if you have a metal taste in your mouth, take a pregnancy test. if you taste or smell 'metal' when you are exercising, it's probably because your blood pressure is rising. I'm the same way - I have very sensitive sense of taste and smell.