Watch more Life Hacking videos: www.howcast.com Subscribe to Howcast's YouTube Channel - howc.st Make a fire extinguisher out of kitchen supplies by following this guide. Howcast uploads the highest quality how-to videos daily! Be sure to check out our playlists for guides that interest you: howc.st Subscribe to Howcast's other YouTube Channels: Howcast Health Channel - howc.st Howcast Video Games Channel - howc.st Howcast Tech Channel - howc.st Howcast Food Channel - howc.st Howcast Arts & Recreation Channel - howc.st Howcast Sports & Fitness Channel - howc.st Howcast Personal Care & Style Channel - howc.st Howcast empowers people with engaging, useful how-to information wherever, whenever they need to know how. Emphasizing high-quality instructional videos, Howcast brings you experts who provide accurate information in easy-to-follow tutorials on everything from makeup, hairstyling, nail art design, and soccer to parkour, skateboarding, dancing, kissing, and much, much more. Step 1: Pour vinegar in the jar Pour the vinegar into the clean, dry, empty mayonnaise jar. Tip You can also use a plastic peanut butter jar. Step 2: Dry the top half of the jar Use a paper towel to dry excess vinegar from the top half of the jar. Step 3: Insert a clean sheet of paper towel Loosely hold a clean paper towel over the mouth of the jar and push the center into the jar so that it forms a little cup over the vinegar. Step 4: Add baking soda Pour the baking soda into the jar so that it ...