Japanese crossword «Knife»

Whether you perceive it that way or not, Risus' perception is entirely valid and justified, and they have as much right as you do to express their viewpoint. A depiction of a weapon of violence can certainly be classified as a depiction of violence.

And this image isn't some pocket knife or a steak knife - it's a rounded saber-like blade that is most definitely a deadly weapon whose primary purpose is violence, even if a person uses it strictly against other animals rather than humans.