wiki- Edge (Hasaki)

Definition: The cutting edge or tip of the knife, located at the foremost part of the blade, which makes direct contact with food during cutting.
Details: The hasaki is sharp and finely pointed, enabling precision work. Its exact shape varies depending on the type of knife—for instance, yanagiba knives feature a long, narrow tip for slicing sashimi, while gyuto knives have a more curved tip for versatility.
Comparison: Compared to the broader cutting edge of the blade body, the hasaki is specialized for delicate, detail-oriented tasks. A dull or damaged tip greatly reduces a knife’s overall effectiveness, even if the rest of the edge is sharp.
Practical Use: The hasaki is used for fine tasks such as scoring ingredients, trimming tendons, peeling fish skin, or making decorative garnishes. In sushi and sashimi preparation, its precision determines the quality of each slice.
Maintenance: Since the hasaki plays a critical role in cutting performance, it requires consistent sharpening and careful handling. Proper maintenance of the tip preserves both sharpness and accuracy, ensuring optimal results in cooking.

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