Which tool is commonly used to create precise lines and edges during a haircut?

The tool that is commonly used to create precise lines and edges during a haircut is clippers. Clippers are specifically designed with blades that move back and forth to cut hair evenly and efficiently, making them ideal for defining sharp lines and creating clean edges, especially in short hairstyles or fade cuts. Their precision and speed allow barbers to work quickly while still achieving a polished look.

Razor blades are often used for texturizing and achieving softer edges, but they do not provide the same level of precision for creating defined lines as clippers do. Scissors are versatile tools essential for cutting hair at various lengths and adding texture, but they typically do not create the same sharp edges or lines that clippers can. A comb is primarily used to guide and section hair during the cutting process, but it does not cut hair itself. Therefore, clippers are the most effective tool for the purpose of creating precise lines and edges in haircuts.