Did a bit of research! Here’s an excerpt from a Daily Wail article by By Richard Marsden for the Daily Mail 13 Jan 2021, updated 15:08 14 Jan 2021:
“It was also notorious for spraying beer all over the kitchen when punctured with a tin-opener – or, in desperation, a screwdriver. That was unless you wanted to buy a special tap that cost the equivalent of £40 at today's prices.”
So it’s what it says on the tin by the look of it.