Marcella Maltese and Lin Wei have devised a simple solution to help travelers estimate baggage weight.
With airlines continually adding extra baggage costs and overweight fees, it can be tricky to know exactly how much extra you might pay .
Marcella Maltese and Lin Wei have devised a simple solution to this dilemma with their Gravity Ruler. The tiny, bungee cord based device gives travelers a quick estimation of what their bag weighs.
The two design students had great success selling prototypes at the Travel Trading Fair in Milan, and are currently looking for a manufacturer.
[via Slash Gear]