And the router is the tool to use to cut these joints. You'll also need a router table to safely make the cuts. Rail-and-stile bits are sold in sets, and raised-panel bits are sold individually.

Using a router table or a handheld router, woodworkers can make cutouts, sharp edges, rounded edges, joints, decorative cuts, rabbets, and dadoes, and they can even make duplicates from a pattern ...

Now we’re embarrassed that we couldn’t come up with a solution as eloquent and easy to use as this circle cutting router jig which [Grays42] built. He’s using a small trim router for the job.

These are cut using a dado blade on a table saw which removes the wood to create the channel. A router can be used to cut dadoes, but a circular saw can also be just as effective.