Gradation clip

Quick answer：

A gradation clip is a type of clip or fastener used in various applications, such as fashion, craftwork, and home decor. It typically features a series of slots or prongs that allow for adjustable spacing, enabling the creation of a graduated or layered effect. These clips can come in various materials, including plastic, metal, and wood, and are used to hold together items like ribbons, fabric strips, or decorative elements.