Load Bearing Backpack Machine

In the poorer nations of the world, hundreds of millions of people earn their living moving things. Moving luggage. Moving cargo. Moving the harvest to the market. Moving water. Moving bricks to the construction yard You name it, they'll haul it. It makes them enough to get by. In rich nations like mine, vehicles usually perform this function.
An Indian inventor has come up with a machine that attaches to the porter's body and allows him or her to more comfortable haul of the load like a backpack. Postures improve, and the load the porter can carry increases, which in theory could mean higher profits. The invention also removes much of the medical risks of portering, which will hopefully mean far fewer ruined lives.
The best thing is that this invention is exceptionally cheap. It can be made for a few cents of bamboo...or plastic. It can also readily be reconfigured to a luggage carrier for the airport crowd, or an over-the-head carrier for small but fragile cargo like eggs. (which it will keep perfectly balanced so there's no chance of an expensive spill)