Related Rule
Practice Relating to Rule 79. Weapons Primarily Injuring by Non-Detectable Fragments
Ecuador’s Naval Manual (1989) states: “The incorporation in the ammunition of materials which are difficult to detect or undetectable by X-ray equipment, such as glass or clear plastic, is prohibited, since they unnecessarily inhibit the treatment of wounds.” 
Ecuador, Aspectos Importantes del Derecho Internacional Marítimo que Deben Tener Presente los Comandantes de los Buques, Academia de Guerra Naval, 1989, § 9.1.1.