Yuungnaqpiallerput: The Way We Genuinly Live
At the base of this link there is a picture of a contemporary harpoon with a gear oil bottle to help with flotation. If you would like an indepth overview of the Yup'ik lifestyle click on menu at the top left of the page, then clicking on introduction. This is a great source of information that shows living situations, hunting attire, and many other facts of Native life. It is quite intriguing.