Shared from Zite This video teaches you how to make something that will definitely come in handy during an emergency situation - a homemade "metal can" air heater. All you need is a soup can, a roll of toilet paper, and 70% isopropyl alcohol (rubbing alcohol). This DIY can heat your room in a pinch and best of all, it requires no electricity to work. John Hames shared with you: He Shoves A Roll Of Toilet Paper In A Tin Can For The Most Brilliant Reason home-design.diply.com - This video teaches you how to make something that will definitely come in handy during an emergency situation - a homemade "metal can" air heater. All you need is a soup can, a roll of toilet paper, and 70% isopropyl alcohol (rubbing alcohol). This DIY...