Both the palm joint 10, a bending joint 5, a bending joint 6 of the root joint 12 and the root joint 13, have a mutually parallel rotary shaft, and bend by rotary operation around this rotary shaft.
Unlike plastic with powdered carbon blades that bend and flutter, the carbon fibers in the Lakota blades are 7 times stiffer than common steel, and carry the loads from tip to root.