After 25 years, Chinese man discovers his walnut cracker is actually a grenade

ANKANG, CHINA — A villager in China has discovered he's been cracking walnuts with an old grenade for the last 25 years.

The man had no idea what it was until he saw a police flyer that warned about forbidden explosives.  According to

, that's when he realized that his walnut cracker wasn't what it seemed.

Police inspected the device and were unsure if the device still had explosives inside it and why it had not detonated.  The man said it was given to him by a friend, but its exact origin was unknown.