How to Make an origami guitar out of a dollar bill
This is a great bar trick you can use to amuse your friends with! Or, you can be the cool aunt or uncle at the family reunion. All you need is a dollar bill (larger denominations will obviously also work). Then just follow a few steps outlined in this video to fold the bill into the rough shape a guitar. It might take a little bit of practice, but you can memorize all the steps in just half an hour or so.