EDIT: too slow!
I've never tried this, but:
Could use a junior hacksaw blade to cut a groove, then tap it round with a flat headed screwdriver + hammer.
Don't count me responsible if you mess up and damage the threads... :-)
@Cupcakes started
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EDIT: too slow!
I've never tried this, but:
Could use a junior hacksaw blade to cut a groove, then tap it round with a flat headed screwdriver + hammer.
Don't count me responsible if you mess up and damage the threads... :-)