Priyanka Rath on Instagram: ""King of cool" The Rusty Nail is a classic from the 1930s — simple, whisky-forward, and timeless. It became iconic through Dean Martin, the original "King of Cool" whose style was effortless and never overworked. I imagined a moment from that era: Dean Martin stepping off stage after a Rat Pack show, spotting John Walker in the audience with a Rusty Nail made with Johnnie Walker Black Label. Backstage, Dean asks one question — would you ever change this drink????? Jo