To do by way of magic.
Ya just reach in there and pull something out!
The image is of a hat with a lot of names written on slips of paper, and someone randomly picks one. It means that someone randomly picked your name from the available pool of people.
Hat to hit
Eat your hat: a statement made when you are positive that something will happen, as in "I'll eat my hat if our team loses this game."
That would be a "pull tab" or simply a "pull" mechanism. It's often used in packaging, such as in cereal boxes or toy containers, to access the contents inside.
It means to do something surprising. The phrase is associated with 19th Century magicians who performed this trick.
To see a hat in your dream, signifies that you are concealing something or covering up something. Alternatively, it may represent the role you play or the responsibilities you have in life.
The name of a traditional magician's hat is a top hat. This is the hat that magician's use to pull rabbits, birds and scarves out of.
Hard hat, Cat in the Hat type hat, women's flowered hat
It means for you to keep your hat. Perhaps you are thinking of "keep this under your hat," which means "keep it to yourself" or "keep it secret." The image is of someone hiding something beneath their hat, on top of their head, where only they know it's there.
A magician might pull a bunny from a top hat. This classic prop is often associated with magic acts and is typically a tall, cylindrical hat, usually black or silk. The illusion of pulling a rabbit from the hat adds to the mystique and wonder of the performance.
I slap on a jimmie hat or pull out.