"An elderly woman in China who thought she was using a simple hammer to crack nuts and embed nails for 20 years was shocked to discover that the tool was actually a hand grenade.... Mistaking it for a hammer because of its shape, she took it home and used it for various household tasks.
“I’ve been using it at home to pound red pepper, crack nuts, and hammer in nails,” Qin explained in a video that has trended online.