Were Ninjas Actually Good at Hiding?

Will and Mango dust off some ninja history and discover some pretty strange facts... like: Why did so many ninjas walk around with crickets? Why did they like to keep pocket change on them? And what does it mean when a ninja sends you a packet of dried fish? Learn more about advertising on the HowStuffWorks podcasts at www.howstuffworks.com/advertisers.htm And to learn about your ad choices when listening to podcasts, visit https://www.howstuffworks.com/privacy.htm#ad-choices