Cory Williams was walking with his girlfriend at a frozen lake in Anchorage, Alaska, when he picked up a rock to skip it. Turn your speakers up to hear the crazy noise it makes!
If you want to jump right to the action skip to 3:40.
Tim Konrad, founder of Unofficial Networks, is a skier with over 20 years in the ski industry. Starting the blog in 2006 from Lake Tahoe with his brother John, the website has grown into one of the world’s... More by Unofficial Networks