Dennis; the pictures are interesting, the work maybe a little nerve wrecking, but i'll give er a try. got to try in find a spoon bit.
The Highland bits are by Clifton! If cheaper is better than gooder, here:http://www.leevalley.com/us/wood/page.aspx?c=&p=57713&cat=51&ap=1They're okay bits, but they stop at 5/8".