Is this an on-topic tool? What is it used for, and who made it?
<http://www.wooljersey.com/gallery/fujifish1/OtherVintage/Parts/ChainTool-50 USA/>
It came to me in a lot of all vintage bike parts and tools. When you squeeze the two handles together, the jaws open wider. What looks like a drive pin is much too large in diameter to be able to push out a traditional bicycle chain pin. The holder for the upper handle threads in and out with tension, and the upper handle is captured, but slides laterally as needed, like to avoid installed parts that are in the way. My pics are too dark, even after brightening them up, so you can't see that the teeth on the jaws look kind of like a rhombus or diamond shaped cable cutter.
What is this thing? If you know, but it is decidedly off-topic, please email direct, and keep it off-list. Thanks for the help...
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