Three knives used by the Ghurka people of Nepal and India. The large knife is called a Kukri (b), and has a curved blade with a "3" shaped notch at the top. The smallest knife, called a Karda (d), is an emergency knife sharpener. The mid-sized knife is called a Chakmak (c), and is a small utility knife. All three knives are sheathed in a thick leather scabbard (a).