The instructions are written using US crochet terminology. The foundation chain is a multiple of 12 stitches plus 3 ... (skipped chains count as dc), *1dc into each of next 3ch, [over next ...
Make two double crochets into the ring. Slip stitch the third of your five chain stitches to move onto the second round. Instructions for first-round using crochet abbreviations: 5ch (count as 1dc ...
The crochet diamond stitch ... Materials: Abbreviations: Special Stitches: Fptr2tog (Front Post Treble Two Together): *Yarn over twice, insert hook into stitch indicated, yarn over, draw loop ...