You can create a flag wave with as little as 6 positions.
You can "cycle it" by having the last frame flow into the first frame.
Try the waving flag exercise to better understand secondary action, the action of the tip will follow a figure 8. You can draw it out to help you with your line of action.
Please post your results on the blog.
Label it with your name and In-class Assignment 02 by Monday APR 22.