Entire class helps twirl up a fire with a hand drill. Hoko knife is shown to the students. Tell them that they will make their own Hoko knives and use them to cut the notch in the hearth board. Students use sharp rocks to cut wood for handles. Students make twined cordage for binding the handle.
Students knock off small flakes from a core to use as blades.
Knife is assembled. The original archaeological find. The 2000 version of the Hoko knife. Splitting the handle. Apply more bending moment to the thicker half to keep the split running down the middle of the handle.