EDC Card

This product is a box with some necessary things in case of emergency. For example, a wound (plaster), unexpected damage of clothes (threads and needles), a long needle in this case serves as an awl, it can be replaced, for example, with a toothpick. There is also a slot for a USB adapter. MICROusb, the microsd fits nicely into this slot.
On the other hand, any item of suitable size can be added to the free space.