Improvised alcohol stove using a Vaseline tin and fire-rope. Similar concept... Or alternatively...After a can of soda... https://youtube.com/shorts/5-bdfinFNjI?si=To9M0POeTMfFUds-
Plastic MRE spoon fire starter / extender.... https://youtube.com/shorts/xyMUr4KaKWE?si=HzvepBRDCZL0MTxs
An emergency poncho shelter: Quick to build and disassemble... https://youtube.com/shorts/cd1-iM_YLaA?si=rbHg3dyQFbaobxr1
Survival pencil sharpener....plastic straw cutter. https://youtube.com/shorts/9sSf4e8jD5k?si=mCeLmW6jIt6Sx61b I tried this technique and it does work, and the plastic straw spiral that it makes is strong enough to use as a binding and for other tasks....the trick is to push the straw forward at a uniform rate / pressure whilst also rotating the straw against the pencil sharpener blade...a narrow cut could make an emergency replacement shoelace.
Crafting a simple field expedient hunting bow from scratch using basic hand tools. https://youtube.com/shorts/rRy8cyGmQ40?si=a0V93IdjcrvxKyKu