A picture hanger is a simple tool used to securely attach artwork or photographs to a wall. It typically consists of a metal or plastic hook that can hold the weight of the picture frame. Picture hangers come in various sizes and styles, allowing users to choose the best option for their specific needs. To use a picture hanger, one usually nails or screws it into the wall, ensuring it is level and stable. This tool is essential for home decor, as it helps display artwork, framed photos, and other decorative items safely and attractively.