What tool is essential for precision cutting in hairstyling?

The essential tool for precision cutting in hairstyling is shears. Shears are specifically designed to provide a clean, precise cut, and the sharp blades enable stylists to achieve various cutting techniques that require accuracy. The design of shears allows for fine control over the length and texture of the hair, making them vital for intricate styles and layered cuts.

While clippers are excellent for creating uniform lengths or tapered hairstyles, they do not offer the same level of precision required for detailed work. Razors can produce soft textures and thinners in the hair but are not as versatile as shears for all types of cuts. Combs, on the other hand, are primarily used to section hair and guide during the cutting process but do not execute the actual cutting. Thus, shears remain the go-to instrument for hairstylists aiming for precision.