Hipporoller

The Hipporoller is another one of those ideas that is incredibly simpleyet can make untold difference to millions of lives. Imagine waking uplong before sunrise and then walking for more than two hours to thenearest river or borehole and then carrying a bucket full of water onyour head all the way home - every day for the rest of your life.
TheHipporoller carries 20 gallons of water, four times the water that oneperson can carry via a 20 litre bucket (5 gallons weighs nearly 42pounds or 18.9 kilograms) and it does so without placing undue stresson the neck, arms or spine.

Source: gizmag.comAdded: 9 January 2007