This crochet tutorial will help you to learn how to do a 3 double crochet cluster on a chain.

At all crochet schemes 3 double crochet cluster on a chain symbol would appear as:
At the scheme below you can see a stitches of 3 double crochet cluster on a chain.
Contents
Video tutorial
3 double crochet cluster on a chain instructions
Crochet three double crochet clusters inserting your hook under the chain stitches of the previous row.
Complete three half-closed double crochet stitches.
Catch the yarn and pull it back through the four loops on your hook.
Repeat the process. Chain two stitches among clusters.