When substituting materials, always crochet a gauge
swatch before you start the project to ensure that your hat will turn out the right size.
You may need to adjust the size of your crochet hook to meet
the gauge. Wrap and pull a loop through the first two loops,
leaving two on the hook. You’ve made your first
chain stitch. Most crochet projects begin with a foundation of chain stitches.
Yarn is the most common choice, but you can use ribbon, fabric strips and even „plarn“ made from recycled plastic bags.
Most beginners find worsted weight yarn the easiest to use
when learning the stitches. Ch 3, turn. Dc in 21 stitches.
Ch 3. Do not turn. Do not break yarn. Stitch seam closed.
Break yarn and weave in end. Break yarn. Sc in second ch from hook.
Sc in second ch from hook and in next three sc.
Make a half double crochet by making the three loops on the hook and then pulling
a loop through all three of them at once. Instead of
leaving the second loop on the hook, pull it through the original loop.
Holding the hook and yarn as you did for the chain, wrap the yarn and pull up a loop to make two on your hook.

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