A [b]kunai[/b], also known as [i]kunai-(shaped)-[[shuriken]][/i] (苦無手裏剣) is a Japanese weapon possibly derived from the masonry trowel. It's a multi-functional weapon that can be used for slashing, stabbing, throwing, and other various uses. It is commonly associated with the [[ninja]]. 

h4. External links

* "Wikipedia: Kunai":http://en.wikipedia.org/wiki/Kunai
苦無 くない 苦无手里剑