The vortex floor should be captialized "The Vortex floor"; it refers to The Vortex club, which was located at 203 Wardour Street, and was one of the first punk clubs. It had a reputation for violence, and that's what the song is based around. The club had to close down again after only 9 months.
http://www.punk77.co.uk/punkhistory/vortex_history.htm
The vortex floor should be captialized "The Vortex floor"; it refers to The Vortex club, which was located at 203 Wardour Street, and was one of the first punk clubs. It had a reputation for violence, and that's what the song is based around. The club had to close down again after only 9 months. http://www.punk77.co.uk/punkhistory/vortex_history.htm