I didn't mention it in my earlier post but, after I went flying with my father, I noticed that I was missing one of the cowl fasteners as I was putting the plane away. It's position is just in front of the windshield as it curves on the left side, and holds the cowl to the airframe. This is not uncommon with older planes like mine and isn't a big deal if it's only one or two since they're numerous enough to keep the cowl secure. Last week, a couple days before my flight to Willapa Harbor, I went out to the airport to see if I could get a replacement. I took a couple of pictures of the existing fasteners, and also took a couple of them out so I could take them with me over to the shop to serve as examples. At issue is that there are a couple of different types on my plane. They are all of the camlock type; most have a single slot for use with a flathead screwdriver, but some of them have Phillips heads. Most have a small flange that they fit into, but a few have a la...