Soldiers outdoor freedom, survival magnesium rod multifunction flint, take the flint, playing poker with the whistle, map scale, bottle opener.
Withstand the ground, the bottom edge of the magnesium rod and the rod on the blade scraped off some Xu magnesium turnings, to be noted that, in the scraping of magnesium turnings and magnesium rod, the blade should be perpendicular direction. Then integrate a small magnesium shavings scraped piled up next to the near flammable materials (paper leaves bark of small branches, etc.).
The side of the magnesium rod to withstand ground was about a 45 degree angle, scraped away just magnesium turnings is about 2.5 cm, with a blade scraper can quickly effective scraper Mars, the blade and the vertical direction of the scraper leaving. So will be able to give rise to Mars, and the combustion of magnesium turnings, provided to give you a white flame