Soda Bottles
Old soda bottles! When I was about 10 or 11 I was participating in a Greenup day cleanup in my town and while I was exploring through the woods I found an old Coca Cola bottle that looked straight out of a 1950s movie.
Scars can be cool a story, scars can make some people wrinkle their nose and look away, and some scars can teach you not to do certain things.