In a split second, things went south for John Patrick Poon. The bartender from Mius, in Hong Kong’s Central neighbourhood, was in the middle of preparing his station for the final round of the Diageo World Class Hong Kong and Macau cocktail competition on June 17, when his knife suddenly slipped and sliced open his thumb.
The competition was put on hold while Poon, the last contestant in the top four to present, received medical attention. Retur…