Click on the pictures to see animations of each step.
Step 19 Fold the point at the top over, creating a small triangular pocket in the left corner, then flatten.
Step 20 Turn it over.
Step 21 Fold the point at the top over, creating a small triangular pocket in the left corner, then flatten.
That's it! You've completed one module. One modification can be made
to the final folds to make the pockets more secure. It's a bit tricky,
but when you fold the top points over if you tuck the excess paper from under the flap behind the pocket, it
will make the pocket tighter.