How do I open the keyholes?

How do I open the keyholes? - From above of cellphone with Have Less Do More inscription on screen near empty notebook and bottle of water

How do I open the keyholes found in each chapter?

Keyhole in Arid Flats 12

This is the second keyhole I’ve found and I cannot figure out how to open it.






Pictures about "How do I open the keyholes?"

How do I open the keyholes? - White and Red Paper Document
How do I open the keyholes? - Orange Paper on White Surface
How do I open the keyholes? - Closeup Photo Black Door Yes We Are Open Signage





Euro Cylinder - Key on the Inside




Sources: Stack Exchange - This article follows the attribution requirements of Stack Exchange and is licensed under CC BY-SA 3.0.

Images: Anete Lusina, Karolina Grabowska, Karolina Grabowska, Artem Beliaikin