Oh, I get it now, I didn't quite see them in relation at first.
Okay, tried to add some for better understanding. I hope I haven't botched it even more. -__-
He did start with standard-issue ones. For some reason, he's wearing them out fast.
Actually, I would imagine that it started out with the "gift harpoons" the dear captain donated to them along with the food supplies.
I'm starting to develop a headcanon about Mikkel working on a secret, Danish one-needle knitting technic. (Simple crotcheting would be too easy.
) It's more fitting for all the random, unending slivers of hair *everywhere* on the damn vehicle, than a normal-sized knitting needle. Although, now, that Reynir arrived, he may consider taking up whaling harpoons.