The cluster stitch is made up of a number of stitches* that are half closed, then joined together as described below.
*The number of stitches varies from pattern to pattern. The pattern you
are making will tell you how many stitches to use in forming the cluster you are making for that pattern.
This example shows a cluster made with 2 double crochet:
PHOTO
INSTRUCTIONS
1: Yarn over, insert hook in next stitch, yarn over,
draw yarn through the stitch, yarn over, draw through 2 loops on hook, leaving last loop of
this dc on the hook.
2: Yarn over, insert hook in next stitch, yarn over,
draw yarn through the stitch, yarn over, draw through 2 loops on hook, leaving last loop of
this dc on the hook (there are now 3 loops on the hook).
Yarn over, pull loop through all 3 loops on hook (this completes one cluster).
Chain 1 to close the cluster. This photo shows what a completed cluster made with 2 double crochet will look like.