What is spearhead shape?

Spearhead shape refers to a particular shape of a pointed object resembling the head of a spear, which is narrow at the base and gradually widens as it goes towards the tip. The shape is designed for thrusting in order to maximize penetration and inflict damage upon the target. Spearhead shapes have been used since ancient times and continue to be used in modern-day weaponry such as hunting and war weapons. The spearhead shape is also incorporated into various other sharp objects such as knives, arrowheads, and even in the design of some tools.