Along with the bow, arrows have accompanied bow since the beginning of recorded history. Usually, a shaft with a pointy tip attached to the front end and a fletching. While most arrows serve well as long as the tip is pointy, there are special arrowheads made of different materials specialized in a certain field, like arrows used to hunt animals to ones with mechanized blades that deploy the blades upon contact with the target. Available in certain sporting and hunting supplies stores.