Until the 1970s most of the larger pubs also featured an off-sales counter or attached shop for the sales of beers, wines and spirits for home consumption. In the 1970s the newly built supermarkets and high street chain stores or off-licences undercut the pub prices to such a degree that within ten years all but a handful of pubs had closed their off-sale counters, which had often been referred to colloquially as the jug and bottle.
Along with high street chain stores and off-licenses, what stores undercut pub alcohol sales in the 1970s?
supermarkets