During the middle to late Edo period, the original model of shinai and protectors used in contemporary Kendo was invented by the Jikishinkage-ryu School, and the Nakanishi-ha Itto-ryu School also invented and adopted its own protectors and shinai.
江戸時代中期～後期にかけて現在の剣道の防具と竹刀の原型が直心影流で発明され、続いて中西派一刀流（小野派一刀流）でも発明された防具と竹刀を採用した。