Sommerfield Tools Katie dovetail jig The Sommerfield Katie Jig is a heavy duty package with tuning forks to guide the dovetail cutting. PART 1 - Learn Mar Sommerfeld's simple system for creating Dovetail joints on the NEW versatile and easy-to. Details about Katie Dovetail Jig & Katie Jig Jr.: There's never been a more versatile, easy-to-use system for creating perfect dovetails! The 7/16'' Katie Dovetail. By Tim Albers Oct 15, So it was a good thing in this case that I let my extravagant side take. Interested in Learning More? This two-position ryobi saw fence…. In a perfect world, I'd love to see the manufacturer precisely pre- drill the backer boards to accommodate the bolts for the Dovetail Toaster, but it is not difficult to remove the backer boards and drill them yourself although they do need to be drilled accurately. New Products at Rockler.