Special VAT . Jesus Christ that stuff should have been made illegal. If you poured a pint of that next to a pint glass full of 4 star petrol you would not tell the difference with the vapour it used to give off.
When Bob Pinches had the Tred he used to ration us to only 4 pints each. Even that was enough to turn people into someone from another planet.When people drunk that the place turned into the pub like the one in The Boys from theBlackstuff.