http://humorfeed.com/story.php?title=taxi-driver-mystified-by-strange-knob-in-car ‘I’ve been a taxi driver for the last fifteen years and I’ve never noticed it before at all. It’s like it suddenly appeared over night. It goes up and down but I’ll be damned if I know what it does,’ said Saeid Herath. Thu, 04 Aug 2016 18:30:04 UTC en