Made by the last remaining manufacturer of Higonokami knife, Nagao Seisakusho. Higonokami is a type of folding knife originating in Miki, Hyōgo Prefecture, Japan in 1896. The knife has no locking system, but is a friction folder using the friction of the swivel or the pressure of the user’s thumb on a protruding tang to prevent the knife from folding during use.