Next are the little triangle shaped coins made of a valuable stone. These are called Mountains. They are less valuable than Rhumb Lines but with their sharp corners they can double as shuriken in case a cartographer in the city runs into trouble. Throwing mountains around is a guaranteed way of distracting a would be attacker long enough to get away!
The drunk at the tavern who has a habit of throwing mountains at people, is now referred to only as "The Mountain Man"... (ok that was a bad one even for me...)
"The journey of a thousand miles begins with one step." ~ Lao Tzu