Has anyone seen or have knowledge of a tool that clamps to a spindle and starts re-threading from the inner part of the spindle threads to the outter edge of the threads?

There is enough good in the worst of us and enough bad in the best of us that it does not behoove any of us to criticize the rest of us.
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Be yourself. If you are ever lost, It will be much easier to find yourself if you know who you are!