A siren shell, also known as a Kabura Bullet, that creates a high-pitched sharp siren sound . It is often used for signaling or to temporarily confuse giant insects. Nausicaä uses siren shells with her rifle .
- ↑ DE1a pg 12 (mentioned), pg 14 (used), pg 559 (description)
a See Page Conversions Between Editions to convert Deluxe Edition volume 1 (DE1) to other editions