- Straight razor magazine: Interview with Günter + Thomas Kronenberg, CEO at Revisor GmbH Solingen.

- Makers of razors, pocket knives and accessoires: Makers of razors, pocket knives, and accessories:
  An interesting list of razor makers and other blade makers

- How we at Revisor actually make razors:

- 7/8 straight razors in production:

  

- Hollow grinding of 8/8 straight razors:

 -Grinding