Step1) Press the napkin and spread the napkin on the table
Step 2) Now fold the napkin from left hand side.
3) fold the napkin again
Step 4) Then fold napkin from the left corner in a triangle shape
Step 5) Then flip on other side and fold it from one side
Step 6) flip it from other side and fold in such way that it become a pocket in which you can keep cutlery.
Step7:Now your napkin pocket is ready and you can keep cutlery inside in this way:
Now have a look at this video to see the tutorial of napkin folding in this way.