Triple Seven Gear has introduced a series of survival kit modules for their Mini Kit MK7, Micro Kit, and CORE Nano Wallet EDC organizers. There are a variety of modules that cover necessities like fire making, water purification, food gathering, and first aid. They can be mixed and matched based on your needs and the size of your organizer.
All your fire stuff is in one bag. Lose it and you’re screwed. Redundancy and layering is key.