High-quality fire-starting materials or even heavy-duty "proper" rolling papers (like Proper Papers ) are sometimes part of survival kits for their utility in starting fires or other uses.
A heavy log or stone is propped up by a trigger mechanism. Deadfall
Birch bark is often called "nature's paper" because it peels in thin sheets and contains flammable oils that burn even when wet. Deadfall
The phrase "" likely refers to two distinct concepts often found in different survival or niche hobby contexts: 1. The Deadfall Trap "Proper" Deadfall