The term "cırt cırt" refers to a fastening material typically known as velcro, which consists of two components. Velcro operates on the principle of tiny hooks on one surface locking onto loops on the other surface. It is especially used in textile products, children's clothing, shoes, bag closures, and many different applications. It is practical and easy to use; it can be fastened and removed simply by pressing the two pieces together. Therefore, it is a fastening material commonly encountered in daily life. The advantages of velcro include quick and easy use, removability, and reusability. Additionally, it is quieter and less prone to malfunction than other fastening methods like zippers, as it contains fewer mechanical parts. In conclusion, velcro is a practical and useful fastening material that is widely used in various garments and accessories.