M69 incendiary M69 incendiary The M69 incendiary bomblet was used in air raids on Japan and China during World War II. They were nicknamed "Tokyo calling cards". The M69 was a plain steel pipe with a hexagonal cross section in diameter and long. It weighed about . The bomblet used napalm (jelled gasoline) as an incendiary filler, improving on earlier designs which used thermite or magnesium fillers that burned more intensely, but were less energy- and weight-efficient, and were easier to extinguish. In Germany they were filled with jellied oil and dropped in clusters of 36 in the non-aerodynamic M19 bomb. Over
Chain weapon on a handled chain. The chigriki was a staff with a weighted chain on the end. The manriki-gusari was a double weighted chain. The nunchaku was a short chain with two short wooden sticks on the ends. The nunchaku is often thought of as a feudal weapon. It was used in those times for farming and not as a weapon until much later. Chain weapon A chain weapon is a weapon made of one or more heavy objects attached to a chain, sometimes with a handle. The flail was one of the more common types of chain weapons associated with