'Dodman' is an old English word for a land snail. According to some it is also an ancient word for a surveyor; one who divines and demarks ley lines.
This is a business card-sized tool for quickly and randomly generating pointcrawl maps using a coin, paper, pencil and a flat surface. By flipping or spinning the coin you'll determine the direction in which you draw your lines and points. It includes 42 different random features, ranging from familiar site to remains of a deity. It is largely era-agnostic.