How to use "harpoon" in a sentence

Just then, I saw Ned Land, with his harpoon in his hands, climbing to the front of the ship.

I saw the harpoon leave his hand and hit the giant creature right in its back

Ned Land had his harpoon with him, but he was very busy trying to collect as many oysters as he could.

Immediately, Ned Land attacked and killed the shark with his harpoon

Then I saw Ned Land with his harpoon in his hand

One of the smaller squid knocked the harpoon out of his hand and threw Ned down