Lantaka
The lantaka (Baybayin (pre virama): ᜎᜆᜃ; post virama: ᜎᜈ᜔ᜆᜃ), also known as the rentaka (Jawi: رنتاک), was a type of bronze portable cannon or swivel gun, sometimes mounted on merchant vessels and warships in Maritime Southeast Asia. vessels from areas that are now the Philippines, Indonesia, Brunei, and Malaysia.