London's Merchant House debuts a secret two-week Christmas pop-up, The Mistletoe Mixer, in August, featuring retro décor and festive cocktails.

London's Merchant House is hosting a hidden two-week Christmas pop-up called The Mistletoe Mixer, designed by DesignMyNight and experiential event specialist EDNAEDNA. The bar, hidden behind a secret toilet door, will offer retro décor and Christmas-themed cocktails like eggnog, peppermint Champagne, and a negroni-style drink infused with rosemary and juniper. It's set to be the first of its kind in London and opens in August.