Comb binding is a method of binding documents using a plastic comb that fits into holes punched along the edge of the pages. This technique allows for easy page turning and can accommodate various document sizes, making it popular for reports, presentations, and manuals. The comb can be opened and closed, enabling users to add or remove pages as needed. The process involves using a comb binding machine to punch holes in the pages and insert the plastic comb. This binding style is durable and provides a professional appearance, making it suitable for both personal and business use.