Make a Double-Bang Firecracker to Kill the Japanese

A double-banger firecracker can be lit once and explode twice! A hand grenade can only be lit once and explode once! This is common knowledge! Even after a grenade goes off, you can still get up and keep shooting!

The explosives maker Zhao Tiesheng has a blood feud with the Japanese devils. To kill them and avenge his loved ones, Zhao Tiesheng made a hand grenade that could explode twice, like a double-banger firecracker. He hunts the devils amid the chaos of war.