Picture of the week

While we are on a PhotoNerd kick. The POTW this week was made using a simple but mostly unknown technique.
No, it's not a photoshop thing, it's an arts and crafts thing. I think that we will even have a little contest this week. There are a few links to get you started Here and Here . The first person to correctly identify how the hearts were made wins this awesome recycled wallet from KEEN.

Bonus for sending a picture of your own.