Other products are often affected by harsh environments. Such as air pressure, atmospheric oxygen content, water, wind, and so on. The reliability of super flint has made it a favorite of outdoor experts, hunters, fishing enthusiasts and campers. Material: magnesium alloy Step 1: Hold the bottom edge of the magnesium rod against the ground and scrape some of the magnesium chips on the rod with a blade. Note that the blade should be perpendicular to the magnesium rod when scraping the magnesium. Then the scraped magnesium chips are integrated into a small pile near the flammable materials ( paper leaves, twigs, bark, etc. ) Step 2: Place one side of the magnesium rod against the ground at an angle of about 45 degrees. About 2.5 centimeters from the magnesium scrape that has been scraped off. Use a blade to scrape quickly to effectively scrape the mars.