Possible Ninja Weapon Prototypes Discovered Among The Ruins Of Several Castles In Japan
The flat stones and spiked clay balls found at the site of the 1590 Siege of Odawara may be precursors to later ninja weapons. Saitama Prefectural Ranzan Historical MuseumThese flat stones may be an other version of a shuriken , wide known as a throwing wiz . To the untrained eye , they may not look like much . But one Japanese archaeologist suspects that a bit of stone and clay artifacts discovered at the site of a famous 16th - century siege may be some of the early weapon system ever used by ninjas ....