Originally Posted by Ste1977
Here's the difference in size between the regular postcards and oversized postcards. I can't locate my punch at the moment but you can see the notches on the regular size. When you notch the larger size the headband fits on them perfectly without needing to crease it in the back
Here's the two ways to secure the headbands on the smaller cards.
The first has the notches and tape
The second has a hole punched in the middle of the card and then I clip the alligator clip through the hole to secure it
Thanks for posting pictures. I was having the same problem with my postcards