Arrowhead

A crudely fashioned point used for hunting.
Overview
Arrowhead is an Artifact that can be found by digging up Artifact Spots in the Mountains, Cindersap Forest, or the Bus Stop area. It can also appear inside Artifact Troves, and a pet dog with maximum friendship can occasionally gift one to the player. Like other artifacts, it is a collectible museum item rather than a crafted material, and finding one adds to the player’s total progress toward completing the Museum collection.
Donating an Arrowhead to the Museum counts toward the total number of museum donations, making it useful even after the player has obtained the first copy needed for collection purposes. If extra Arrowheads are found later, they can still serve a practical purpose instead of being discarded.
Arrowhead is also used in tailoring. Placing it in the spool of the 
- Found by digging up Artifact Spots in the Mountains, Cindersap Forest, and the Bus Stop
- Can appear in Artifact Troves
- Can be gifted by a pet dog at maximum friendship
- Donating it increases Museum donation total
- Used on the Sewing Machine to make the Soft Arrow Shirt
Because it is an artifact with both museum and tailoring value, Arrowhead is one of the early collectible items that can remain useful throughout the game. If a player is focusing on completion, it is generally worth donating the first one and saving any additional copies for tailoring or collection goals.
Official description
A crudely fashioned point used for hunting.