A trick for boxed foils and wraps

I saw this on another blog (but can’t remember which one)… Do you hate it when you are trying to tear off a sheet of Saran Wrap or Foil and the entire roll pulls out of the box?

Well, hate no more… here is a handy little trick for keeping the roll inside the box. I cannot believe I never noticed this or knew it. Oh well… better late than never!

On the end of every box is a small, perforated, diamond shape:

Press firmly to push it into the box. Do the same on the other side. Viola! Your roll will now be anchored into the box by the two tabs:

Any other secret tricks out there we should know about???