Final answer:
The shear over comb technique refers to holding the shears parallel to the comb to achieve a precise and even haircut.
Step-by-step explanation:
In the shear over comb technique, the shears are held parallel to the comb. This hairstyling method is often used by professional stylists and barbers to create a clean, even cut. By keeping the shears parallel to the comb, it allows for more control and precision when cutting the hair. The comb serves as a guide to ensure that each section of hair is cut to the same length. This technique can be used for various haircuts, from basic trims to more complex layering.