The Everyday Elements Intelligent Temperature Control Heating Scarf is now selling in China via Xiaomi Youpin. The gadget uses carbon nanotube film to provide heat at your choice of three temperatures. The intelligent device will automatically adjust its heating based on a sensed temperature or time.https://www.notebookcheck.net/Smart-heating-scarf-with-temperature-controls-arrives-on-Xiaomi-Youpin.671173.0.html
I wished this existed years ago. as someone from hot country, even *mild* Melbourne winter makes me suffer