You can put it in your wallet or in the car.
But remember, don't put it in your trouser pocket (below the waist), and you can't put your wallet in your trouser pocket (below the waist). You should take it off in the shower.
It is best to hang it around your neck, put it in your pocket or put it in a small yellow (red) bag.
Immortals are precious and infinite people.
Wu Fusheng Tianzun