They were a controversial band back in 1979 and popular within the Dutch underground Post Punk/Punk scene..
Here's 2 clips of them, the songs were released in 1979. They released 1 LP.
'Op de baan' (This song is about jerking off in the park and other places)
'Zwart Leer' (song is about black leather and how it looks lush wrapped around your knob and bottom)