People are just realising why Heinz ketchup bottles have a 57 on the neck and it has a very handy use 

HAVE you ever struggled to get the final bit of ketchup out of the bottle?

It turns out that there is a handy way to tap the last bit out onto your plate, and it’s all down to the 57 written on the neck.

AlamyDid you know there is a meaning behind the 57 on ketchup bottles?[/caption] AlamyIf you firmly tap the 57 the sauce should come out more easily[/caption]

If you have ever slapped the bottle on the bottom or used a knife to try and reach the last bit of ketchup, this hack is for you.