Andy Murray's fiancee Kim Sears wore a Parental Advisory: Explicit Content sweatshirt during the Australian Open final. For 30 years this logo and its predecessors have been more than a little ...

Then it was "Explicit Lyrics: Parental Advisory". It has been slightly rejigged a couple of times and the current version - with its stark black and white lettering - is from 1993. It made its way ...