Introduction The term makibishi (撒き菱 or 撒菱) refers to the Japanese version of the caltrop. The tool (igadama) is a sharp spiked object that was used in feudal Japan to slow down pursuers and also was used in the defense of samurai fortifications. Refer to Cheval de Frise, Czech Hedgehog, Dragon’s Teeth, and Sudis. Outline… Read More