Step 1: Step One
Step 2: Step Two
Step 3: Step Three
Step 4: Step Four
Fold in the side again so it covers the gap next to the folded down triangle (same for both sides).
But tuck it under the folded triangle and really push down on the folds to make it stronger.
Step 5: Done
Usefull for money or thin item holding.
This is my first instructable i hope you like it.