How to make a Dutch Arrow (centrifugally stabilized javalin)

Step 5: Angle the Flights

Fold the flights from inside top corner to bottom outside corner.the air rushing past will induce and maintain a spinning motion for righties you want it to spin clock-wise and lefties want it to spin anti-clockwise. This is important to remember and it will affect in what direction you fold them along the line from corner to corner.

In the picture I have done it in the wrong way because I am right handed.