Roller Coaster Coaster

A roller coaster is a fairground attraction that consists of a light railway track which has many tight turns and steep slopes on which people ride in small, fast open carriages.

A coaster is a small, flat object on which a glass, cup, or dish is placed to protect the surface of a table.

See it in action [here](https://www.youtube.com/watch?v=JURKKKat0U4&ab_channel=Dehapro)