What is a spool heel?

A spool heel is a type of high-heeled shoe that features a heel that is wider at the top and narrow at the base, resembling the shape of a spool of thread. These heels are generally more stable than stiletto heels, as they provide a larger surface area to distribute the weight of the wearer. They were first popular in the 1950s and have since made a comeback in recent fashion trends. Spool heels can come in various heights and styles, from classic pumps to sandal designs, and can be made from different materials such as leather or suede.