Ninjas used some pretty unconventional items to help them remain silent, sneaky, and deadly. Though not a weapon exactly, ninjas often carried a small box of crickets to mask the sound of their footsteps. Along with that, they would have a special mixture of chemicals to induce chirping from the crickets when needed. Other "weapons" included colored rice-ninjas would pass along secret information with special rice colored to mean different things.
This Is Why Ninjas Carried Crickets
Key Facts In This Video
Ninjas are said to have told time by looking at a cat's eyes—the pupils are narrower at midday and wider at dusk. 00:04
Ninjas often carried a small box of crickets—the chirping disguised any stray sound the ninjas made. 01:26
Ninjas would pass along secret information by using different colored rice. 01:46
Wake up with the smartest email in your inbox.
Our Best Articles Daily