David's right about the Acetone, too strong a solvent. Alcohol won't do much good on epoxy.

It will be gooey after heating it. On the blank, try scraping with non-metal things. Popsicle sticks and fingernails work good. Old playing cards scrape a curved surface real well.

The metal parts you can clean with solvent but I would remove as much of the glue before the solvent. The wood you can scrape, even sand the part that is covered with the metal. The more glue you get rid of while it's soft, the easier the whole thing will be.

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Joe