It is a constantly evolving dictionary. In the trash. Any door to a building going outside.
Manhole covers and grates.
Involves jumping off the bike and letting it coast off on its own. The sensation achieved when a pilot has been in the cockpit of a ship for an extended period of time. All the bicycles in the chopper ride. A micro cassette recorder used to keep track of the mission. You can Orbit them, but never go inside one, for you may never come out.