Which implements are designed to operate with rapid movements from long to short?

Clippers are specifically designed to operate with rapid movements from long to short. They are used to cut hair quickly and efficiently by moving through the hair at a fast pace, enabling the stylist to achieve various lengths and styles effectively. The mechanics of clippers allow for smooth transitions while cutting, easily adjusting the length of the hair and creating layered looks. This makes them especially useful in a professional setting where speed and precision are essential.

Scissors, while they can cut hair, operate through a more manual and controlled scissor action and are not designed for rapid cutting in the same way clippers are. A razor is primarily used for texturizing or creating softer edges rather than making bulk cuts rapidly. Combs serve as tools for parting and managing hair but do not cut; they are used in conjunction with scissors or clippers. Therefore, clippers stand out as the tool best suited for rapid length alterations in haircuts.