With so little and can do so much.
Amolador is the portuguese word for grinder, or knife sharpener. These skilled knife sharpeners push their bikes through the streets, playing a distinctive tune on pan flutes to signal their presence.
Their bikes serve as a mobile workshop, with a sharpening stone mounted on the top tube, a tool box strapped to the back, and umbrellas draped over the handlebars.
Another way to recycle, folks.
Here are some original ideas.