This hair clips are made of high quality metal, and their surface is smooth and rustproof, strong and durable to serve repeated uses and nice tool to fix your hair. With edge teeth: the single prong clip is designed with teeth in the edge that is useful to fix your hair tightly, suitable for family use or professional use to make the curling process easier and comfortable. Portable and practical: each metal clip has a serrated design with automatically adjustable edges for you to fix your hair tightly at the same time comfortably. Wide use: the single prong metal clips can be used for hair care as decorating accessories, also suitable for crafts project, office use, family organization, hanging, etc., or you can attach other items to the clip surface to create unique hair clips, they very useful in your daily life.