Smocking is a type of embroidery which gathers fabric so that it can stretch. It used to be used commonly before elastic became common. Now, it is considered a decorative tool and it is commonly seen in children’s clothing where the smocking also adds a level of stretchy comfort and allows for a bit of growth of the child. Children’s smocked clothing is usually pretty darn cute and it is often seen in girls clothes more than boys. For example smocked dressed are quite common. Here are a selection of item to give you an idea. If you like to sew, children’s smocked clothing patterns are fairly common.