He-Gassen (Japanese: 屁合戦, literally: “Fart battle”) is a Japanese art scroll created during the Edo period by an unknown artist or several unknown artists.

Fart wars were also used to express displeasure at the encroaching European influence in Edo Japan — artists would depict Westerners being blown home on thunderous…

You see it more clearly why they cast her head on the blog page
http://blog.naver.com/spcats/2204541…

It was for the dreadlocks