Even though rings are so culturally charged, there are not many rules that are really attached to them. To give you an example, the right-hand-left-hand issue cannot be answered with an irrefutable argument. In short, there are no strict rules about the hand on which you should wear your ring(s).
Canadian GAA is the informal name by which the Canadian County Board of the Gaelic Athletic Association is usually known. It is one of over 30 regional executive boards throughout the world.
The CFL is the most popular and only major professional Canadian football league. Its championship game, the Grey Cup, is one of Canada's largest sporting events, attracting a broad television audience, though it has been shrinking in recent years.