In addition to promoting their new pre-mixed cocktail line, the vending machine is actually a throwback to the gin prohibition in London in the 1800s, when bar owners would pass shots of gin through hidden slots to those who wanted them.
"Gin distillation is something that runs through the veins of London's cultural history and this vending machine installation gave us the ideal opportunity to combine innovation with the cunning wisdom of the past to unleash our LoneWolf gin and tonic cans on London," LoneWolf managing director Doug Bairner told the Morning Advertiser.
Even if you can't make it to London before the PR stunt ends, you can still get your hands on the pre-mixed gin and tonic cans at Tesco stores in the UK.
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