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Plastic Ring
My crochet button. See last picture with your colors. I use a little plastic ring that I buy in the curtain department at our hardware store. It is about 2cm in diameter. Key rings works as well. First round is 9 hdc in magic ring. The 2nd round is 2 single Crochet in each stitch. For the 2nd round you insert your hook into a stitch AND into the plastic ring. Hope that makes sense.