fronts of the cards. glue this to the back of the back of the card (once it is glued, you can see the writing and message on one side and the front of the card on the other side).
so, you will have one single card piece now - below is the front and the back.
next, punch two holes in the left side of one of the cards - one hole about 2" from the top of the card, and one about 2" from the bottom of the card - both about 3/8" from the left side of the card (see picture below).
use the card you just punched holes in as 