The Japanese teppo was not only easy to construct but also simple to operate. The gunner would simply hold the teppo straight using his shoulder as a brace. After opening the priming pan and pulling the trigger a spring would release the serpentine, which holds a lit fuse. As the burning fuse hit the priming pan full of powder, the matchlock would fire. Excess lengths of fuse could be wrapped around the stock of the gun or the gunner’s forearm<ref>Turnbull p.g. 137</ref>. | The Japanese teppo was not only easy to construct but also simple to operate. The gunner would simply hold the teppo straight using his shoulder as a brace. After opening the priming pan and pulling the trigger a spring would release the serpentine, which holds a lit fuse. As the burning fuse hit the priming pan full of powder, the matchlock would fire. Excess lengths of fuse could be wrapped around the stock of the gun or the gunner’s forearm<ref>Turnbull p.g. 137</ref>. |