Which tool is primarily used for detailing and edging haircuts?

The tool that is primarily used for detailing and edging haircuts is a trimmer. Trimmers are specifically designed to provide precision and detail work around the hairline, sideburns, and neck area. Their smaller blades allow for greater control, making it easier for barbers and stylists to achieve clean lines and sharp edges. This makes them ideal for finishing touches on haircuts to ensure a polished and professional appearance.

While clippers can be used for cutting hair and may shape up styles, they are generally more suited for bulk cutting rather than the precision required for detailing. Scissors are primarily used for cutting hair to varying lengths and are not specifically designed for the fine detail work associated with edging. Razors can be used for texturizing or creating effects, but they are not the best choice for precision detailing as trimmers are. Therefore, the trimmer stands out as the most appropriate tool for this specific task.