Ive read about it before but would be concerned about it getting wet at any stage and rusting which would ruin the fabric. I know I wouldnt be the only one to have a coffee cup or glass of water knocked over when sewing. I wonder if they really sharpen the needles, seems a lot of people make them
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"My will is mine.....I shall not make it soft for you" Aeschylus, Agamemnon