As people hustle and bustle their way in and out of subway stations, many wear their ticketing smartcards on chains around their necks, making them quicker to swipe at the gates.
熙來攘往的地鐵站，進站、出站者為了趕時間，往往就將悠遊卡繫上細鍊掛在脖子上，好迅速刷卡。