Slippers and thermos bottles: the portable Chinese home
A guest enters a Chinese home and is offered slippers. Someone leaves for work with a thermos. Both objects say: the body should be protected from the outside world.
Inside and outside
Changing into slippers is partly cleanliness, partly comfort, and partly a ritual of entering domestic space.
The thermos extends that domestic feeling outdoors: warm water, tea, goji berries, or ginger drink can travel with the person.
Strong contrast
For readers used to shoes indoors or iced drinks on the go, slippers and thermos bottles create an immediate cultural contrast without needing abstract theory.