Tip - Ninjutsu Running Techniques | LIVESTRONG.COM

Ninjutsu is a Japanese martial arts style popularized by action movies and iconic images of sneaky men in black pajama suits. However, the actual discipline of ninjutsu is no joke. There are at least 18 different skill sets that take many years to master. One such skill set is called shinobi iri, the art of stealth entry and escape. To master...