I picked this up because it is obviously so dangerous looking :<0) I haven't tried it yet and really not sure how far I will get before blood comes. I wasn't sure how it worked until it hit my workbench, even after chatting with the seller. There was no blade in it in the listing. The handle unscrews and the 2 pieces open to reveal a double edge blade. The blade bends very easy and a lot. I mean look how much is sticking out, yikes !

The backside was pretty rough but it says,

Pat. Jan. 8 1924
Manufactured by
Ericsson Screw Mach. Products Co.

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What do you think ? The first shavette ? Made for something other than shaving ? Scary little bugger.
Should I try to use it ?? Hope it doesn't scar me !