Dissonance

 Dissonance (ディソナンス) is one of Larxene's weapons in Kingdom Hearts 358/2 Days. It can be upgraded to Dissonance+.

Design
A Dissonance knife has a peculiar design, rather resembling brass knuckles. The handle is red and bends at an almost 90 degree angle. The blade is black with gold edges and fans out from the handle.