There are dogs that you can fit in your purse, but did you know that every dog can fit in a mug? Of course, this isn't literal. Using optical illusion of photography, the trick is to hold the cup in front of the lens with your dog in the background. On Instagram, this trend is called #muttmuggin.

#muttmuggin was first started 6 months ago by dog owner Emily McCracken (aka @muttadventures). She says, "I was originally inspired when a friend showed me #babymugging photos by the ever talented @mommyshorts… The pictures were hilarious and adorable, so naturally I put George (my ‘fur-kid’) inside a mug."

The project has since taken off, and you can see more than one breed and size of dogs in this gallery here: