These are must haves for going to the moutains, and obtaining metal. They collect lots of thatch, yet small amounts of wood. They can also collect berries, and rocks. If you go to a metal rock you get lots of metal and rock by using an ankylo. If you go to a normal rock, you get lots of flint with the ankylo. I guess you could say they collect everything. They are also pretty tanky.

Argies can also be fit with them.