Imagine a leafblower so advanced that it harnesses the power of your abdomen and biceps, while sucking away your stored fat reserves. Yet it operates nearly silently and costs under 15 bucks. With just a simple wooden handle and a few ounces of sturdy bent plastic or metal prongs, it could be lightweight and quite wide, and be able to clear thousands of square feet of densely-packed leaves per hour, leaving you feeling refreshed and healthier and more connected with Nature every time you use it.

Mr. Money Mustache, https://www.mrmoneymustache.com/2011/12/05/muscle-over-motor/

-Brandon