Blocking a crochet piece helps to give it a better shape and sets the stitches in that shape. It can also smooth out wrinkles, crooked rows, and other minor imperfections in your project.
I don't often block my crochet projects, but this last baby blanket I designed has a beautiful bordered edge that really stand out with the help of blocking.
There are many ways to block a finished crochet item. Which method you choose may depend on the type of yarn you used and the size and structure of your project.
When using cotton yarn, you have several blocking methods to choose from. An easy blocking method is Wet Blocking. Here are some easy steps.