pintopin
Pintopin is a term that can refer to a few different things, primarily related to a type of nail or tack. In its most common usage, a pintopin is a small, short nail with a relatively large head. These are often used for attaching thin materials, such as upholstery fabric, paper, or thin wood, to a larger surface. The large head helps to prevent the material from tearing around the nail shaft.
Historically, pintopins were also a type of fastener used in shoemaking. They were small, short nails with
More generally, the term "pintopin" can be used colloquially to describe any small, relatively insignificant pin