I was thinking the same thing about New Moon pads, too. So I made some knock offs of my own. I made them out of flannel with a minor adjustment. Since I am paranoid about the bunching that can occur with wingless pads, I made my 5 inches wide instead of 4 1/2. So far no problems, they work great. Renee, also offers "Moon Wraps" they are suppose to make a wingless pad a winged pad. These are offered on her site, I am not sure about ebay. May be you can contact her and ask about them?
Have you been to
www.diaperpin.com forum section? There is a sub-forum called "Cloth Talk" its all about menstrual alternatives, and Renee is a member there. There are also a bit of New Moon Pads users that frequent the forum.
HTH
Sumaiyah