I made an underwater shotgun for fishing

From a design standpoint, how are underwater firearms different from conventional firearms? How do they work and do they always need specific ammunition? - Quora

I Made a Spring Trap that Breaks Your Legs!, spring trap

Channels for Watching Videos - Lemon8 Search

How to Spear Fish in Freshwater

Short Underwater Harpoon Gun Isolated on White Background Stock Photo - Image of spear, danger: 145885240

Ballista - Lemon8 Search

homemadefishinggun

I did a thing

The Dragon's Fishing Spear: QBS-06 Frogman Rifle -The Firearm Blog