Life is unpredictable. One day you're cruising through it easily and the next you're sailing in troubled waters with no lifeguard. And no, we don't just mean it in a metaphorical way. Considering the heavy monsoon that we're experiencing, there might be flood-like situations in the country. Wasn't the devastation in Uttarakhand proof enough of how deadly nature can be? 

Consider being stuck in waist-deep water with a heavy and furious flow. You're sure to be washed away by it. 

Well, here's a genius technique that might just help you save your life some day: