After I switched to using a single blade - even if it has two edges - I've been somewhat puzzled as to why you would need 2, 3 or 8 blades. Recently I found this drawing which offer an explanation:
![[Image: Bizarro-Razor.jpg]]()
![[Image: Bizarro-Razor.jpg]](http://archives.starbulletin.com/2006/08/13/features/Bizarro-Razor.jpg)
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