Complex sentence: The hair may also be braided into a zig-zag shape to make things easier and quicker; the wearer may leave out a section of hair if she or he wants a part or half the hair weaved.
Split into simpler sentences: The hair may also be braided into a zig-zag shape to make things easier and quicker. The wearer may leave out a section of hair if she or he wants a part or half the hair weaved.