Interesting read

I thought this was an interesting read and thought I'd share.

http://www.dcmsme.gov.in/publications/traderep/razorblades.pdf

What is it about?

This is certainly the "Holy Grail" of the history and business of shaving.

I know for sure...but cant find the info online is..the bottom of the working class are the "rat catchers"...the higher classes are way ontop...this would probably answer the question