Prank Gum

If you ever have problems with people steeling you're gum then here is a solution.and the only items you need are

A container to store the real gum in
Gum with package
Knife or razor blade
Clay

Roll a pencil over the clay brick in till same height as gum. Then using a real piece compare sizes

Using the real place measure the size and cut

Empty contents of gum in container

Place fake gum back in the pack and you are done and compare real to fake