"If you can’t yell loudly, you’ll starve," a Beijing street recycler tells The New York Times. "No one really knows what I’m yelling, but they remember my song and this brings them out of their house."
Great marketing advice!
But the government is making life tough for the vendors.
Stringent laws and urban management officials, known as chengguan, keep them on the run with fines and harassment. “The best time to be out is lunchtime, when the chengguan are on break,” said Meng Xiandong, 54, a vendor of dried sweet potatoes, as he nervously scanned the crowds.