Da Feng Ke (大蜂窠, lit. 'Big bee nest'), also known as Huo Feng Wo (火蜂窩, lit. 'Fire bee nest'), is a type of primitive but powerful bomb. Made of one hundred layers of paper and ten layers of fabric, its payload includes everything from incendiary and poison gas gunpowder, firecrackers like Di Shu (地鼠, ground rat), small bomblets, darts, poisoned ceramic and iron fragmentation, caltrops, to sulfur, resin, human hair and feces. Da Ke Feng is usually thrown by hand or launched from siege engine, and is most useful during siege or naval warfare. It is sometimes confused with Yi Wo Feng (一窩蜂) due to similarly sounding name.
It is possible that a type of early land mine known as Yi Ke Feng (一窠蜂, lit. 'A nest of bee'), used by Ming armies as early as 1400, refers to the same weapon.
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