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Here's a link to one of Jim Parker's "fantasy" knives that resembled the knives I was speaking of.
Srgical Steel Razor Knife 034 One Arm Pillbuster 034 2 Blades Bright Red Handles | eBay

Just did...

I bought 5 junk razors in a "lot" on ebay just to get this "razor".
http://i658.photobucket.com/albums/uu303/Wullie_01/Rope%20knife/pic034.jpg
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IF you're referring to the folding pocket knives that resemble a razor, from what I can gather, they are cheap knock offs of what was originally designed as a knife for a one armed man.

After the...