Kurz Bombe Kunst (クルツボムベクンスト Kurutsu Bomube Kunsuto?) (German for short bomb art), literally proximity bomb surgery (近接爆弾術 Kinsetsu Bakudan Jutsu?), is a Mauser School weapons technique involving the use of tiny adhesive bombs that are detonated by sound. It can be used in direct combat or for assassination and torture.