Medical
Air Quality Monitor
Reads particulates and often CO2. Useful for knowing whether a room's air is being refreshed.
Scenario
10 Cloverfield Lane
He might be right about outside. That is not the question.
You are underground, the air is filtered, the food is stocked, and the man who built it says the surface is lethal. He may be telling the truth. He is also the most immediate danger in the room, and both things are true at once.
What kills you
Your host, and the possibility he is correct.
Rules
- 01Know where the exit is before you need it.
- 02Two independent sources or it is not a fact.
- 03Do not announce what you have worked out.
- 04Being right about the surface does not make him safe.
The kit
5 itemsThe one way to check a claim about the air without opening the door.
A room that only locks from outside is a room you should be able to hear opening.
Shelter
Door Wedge Alarm
A wedge that sounds if the door moves. Cheap, portable, needs no fitting.
Small enough to keep, useful enough to matter.
Tools
Concealable Multi Tool
A minimal tool that lives on a keyring rather than a belt.
Exits that were not designed as exits still work.
Tools
Emergency Escape Hammer
Breaks side glass and cuts a seatbelt. Kept within reach of a seat, not in a boot.
A second opinion about the surface, from someone with no stake in your staying.
Light & comms
Portable Radio Shortwave
Receives distant broadcast bands that survive local infrastructure failing.
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