Cats love to hide, and bags make great hiding spots. They provide plenty of cover for the hider and a way to make a clever ambush on an unsuspecting (or even suspecting) passerby.
Here are 11 times the combination of bags and cats created smirk-inducing results. (And please, be careful what types of bags you let your cat play on. The paper ones below aren't dangerous, but a little supervision is always a good idea.)