The most useful thing you know that most people do in the wrong way?

A man in China has been using a club as a nutcracker for 25 years, until he realised what it was actually used for. A man living in the Shaanxi Province in China was given a gift by a friend and for 25 years he didn’t know what it was.

The mans favourite treat was Wallnuts and the gift was perfect for cracking open the shells. He figured his friend know off his love for nuts so gifted him a club to crack them open, and for 25 years he used the club thinking that’s what it was intended for.

It wasn’t until he seen the nutcracker on a Government flyer identifying dangerous, prohibited explosives when he realised the club wasn’t in fact a nutcracker, but a Chinese type 67 hand grenade. The grenade which was a nicknamed the Potato masher, was invented by the German Army during World War 1.

The hand grenade had a explosive device at the top with a pulling string running through it to a cap at the bottom. Pulling the string lights the fuse before being thrown at the enemy, but in this case it was used as a nut cracker for a quarter of a century.