Most Zigzag crochet stitches usually combine the double crochet, the treble crochet and the chain stitch. This is a simple Zigzag that uses only chain stitches and single crochets. It can be used to make pillows, throw blankets, sweaters, vests etc. This stitch can be used to crochet treasured gifts for family or friends all year round. Here are the steps for crocheting a simple Zigzag stitch into a lovely throw for your living room or bedroom.