Buttons could be compasses
A rechargeable solar battery could be a power backup / enable off grid living
A large-scale volcanic eruption / meteor impact could be prepared for / cause climate change
Doomer prep could involve community, logistics, and off-grid capability
DayOne waterbags could be used for disasters, survival, and camping
Power stations could replace gas generators
Evaporative cooling / refrigeration could reduce food waste
A belt could be used for survival
Breathing techniques could lead to health and athletic benefits