the mechanism is deteriorated, it may be better preserved as a vintage object rather than used as a functional tool.
Identify the tool first
If you’re uncertain about its purpose, don’t experiment with an expensive knife.
Take clear photographs from several angles and look for identifying marks.
A vintage-tool collector, antique dealer, manufacturer archive, or knowledgeable knife professional may be able to help.
Why You Shouldn’t Automatically Restore Every Vintage Kitchen Tool
There’s something tempting about taking an old rusty object and making it look brand new.
But sometimes the
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