I was doing some routing on the entire length of an 8' x 2" x 3/4" bunch of boards today. It was not very convenient to move the clamps twice for each of the six boards so I had to invent a new tool. I'm working on my assembly table so no dogs, no holdfasts, nothing but F-clamps that I can fit on the last couple of inches. I came up with the "butt clamp." I sat on the boards near the middle and ran the router off and on both edges of each end. I tell you, I need to patent this.