Like all famous movie spies, the ninja had a wide array of spy tools at their disposal, and the shinobi rokugu were six tools that were considered essential for any mission. These include the yatate, inro, uchitake, sanjakutenugui, amigasa and kaginawa. We'll examine the purpose of each tool using action-packed reenactments. We'll also scientifically analyze how to master the kaginawa.