Daggers and knives with a false edge on the back, also known as a "false edge," "back edge," or "swedge," serve several practical and historical purposes:
Balance and Weight: Adding a false edge to the back of a dagger or knife can help balance the weight and improve the overall handling of the weapon. It allows for a more evenly distributed weight along the blade, making it easier to control and maneuver during combat or utility tasks.
Penetration: A false edge can enhance the weapon's piercing ability. By sharpening both edges, the dagger becomes more effective for thrusting and stabbing motions. This can be especially useful when dealing with armor or hard materials.
Versatility: The presence of a false edge increases the versatility of the weapon. While one side might be primarily used for slicing and cutting, the false edge can be employed for other purposes, such as precise cuts, hooking, or drawing the weapon back after a strike.
Historical and Aesthetic Reasons: Some historical daggers and knives were designed with false edges as part of their traditional or cultural designs. Additionally, the false edge can add a decorative element to the blade, making it visually appealing.
Combat Tactics: In certain combat situations, a false edge can be used for quick reversals or surprise attacks, catching opponents off guard.
It's important to note that the inclusion of a false edge is dependent on the specific design and purpose of the dagger or knife. Not all daggers or knives have a false edge, and their presence or absence is determined by the intended use, historical influences, and design preferences of the manufacturer or individual craftsman.