ya get a chunk of wood and carve a cowl Foam wood be easier but you have to glass it anyways wood is the cheaper method. Once you have the right look and size find a clear plastic pop or water bottle that will fit over the carving. align the opening with the prop opening on the cowl and secure it there with a screww through the opening with a washer to hold the bottle in place on the wood plug. take a heat gun and start shrinking the bottle down onto the wood plug try and do this evenly to avoid wrinkles once the plastic is shrunk let cool for a bit then cut rear edge fluch with wood plug and remove wood plug then cut neck off of bottle for prop hole and there you go