No matter where you are, the same outcome occurs: A Ring of Salt will protect you.
As the name implies, a Ring of Salt is shaped like a circle and can span from several hundred feet to several hundred miles. They are often put down near dangerous areas in a symbolic and literal effort to stop the spreading of something detrimental. This means of protection has stretched to mean that putting one down can stop a detriment from showing up in the first place and so they may be seen in towns and villages to deter bad luck and accidents.
The original concept of a ring of salt as protection most likely came from The Outside, though exactly when is unknown, but the idea is ancient and has been passed down for what feels like eons at this point. It's become so ingrained into the minds and zeitgeist of the populace that even if it never worked at the start, the vast power behind the thought of it working has become so strong that now the concept has become truth.
