You have to know the technique precisely in order to be capable of joining the squares and other projects correctly. This technique is very important if you want to progress in your crochet game. If you are going to take a serious road with your project listing than this tutorials are going to help you a lot in the long run. Today I want to share with you a couple of tutorials found online. I am going to give you the two article directions. They explain how to make two different connections between the squares. On the top of that I was able to find a chart that also explains some of the more interesting parts of the process within the one picture. Look at the tutorials and enjoy the learning process.

Check out the tutorials Here and Here