Kazari Bocho Knives This page first published: Jul 9, 2006 · Updated: Oct 5, 2019 · by CooksInfo. Copyright © 2021 · This post may contain affiliate links · This blog generates income via ads · Kazari Bocho Knives have long, rectangular blades that angle down to form a sharp tip at the very bottom, at the end of the cutting edge. They are used for making decorative cuts from vegetables. The technique is known in Japanese as “kazari-giri.”