Harpoon head
| Time Period | Early Jomon Period |
| Excavation Report | Sannnai Maruyama Site,Volume 9 |
| Excavation Report Figure No. | |
| Size | |
| Cultual Property Designation | Important Cultual Properties |
| Current Location | |
| Explanation | A harpoon head is a fishing tool used to catch fish by thrusting it into the water. Some harpoon heads are attached to the end of a harpoon, which separates when it is pierced and has a hole at the base for tying a rope to reel in the prey. |