Weave hair extensions can help to add length and thickness to our hair, and we have different ways to wear weave hair extensions. It is very simple to create weave hair extensions. Crate a plait with your own hair and a strand of extension hair. Then, it goes across the head going from one edge to the other and meeting in the middle of the head. Starting at the bottom and finishing usually at the top of your ears. Thus, you’re left with around three to four rows in your hair.