If you cut wood, you need this. They make impossible cuts possible, increase the safety of your saw operation by an enormous amount. I make no cuts on my table saw without it. Cuts never bind, never pinch, never saw burn. Keeps your fingers OUT of the saw blade path. With a little imagination you can set it up to literally do any cut on your table saw. Setup literally takes less than a minute for complex cuts after you've used it a bit. For simple push stick operation, setup is practically nonexistent. It does the same job on the router table, eliminates snipe Be sure to watch the video.