Corncob<br>The girl saw corncobs were going to waste at the farm. She figured they could be made into pipes and sold to help her family. Drying took a very long time, but the venture became profitable. She grew slightly older, and her savings helped her later. It would then be a supplement while she pursued her archery career.
Waste corncorbs at the farm is dried in few years and  sold at higher price with huge profit margins by the girl. The savings made her to lead a good life and pursue archery career, that requires high concentration.