Stop Stealing My Food!

Not ready to start thinking this morning, I clicked on some click bait that took me to a photo essay of inventions over on definition dot org. Some of the inventions were clever, some were weird, but three of them are designed to keep people from stealing your food.

Plastic bag printed with splotches to make it look like the food has spoiled.

Combination lock for your pint of ice cream.
'I'm terribly sorry, but there is no "u" in "my pint".'
Heh,

Coffee cup with a keyed plug.