Originally Posted by
Bill McDermott
Getting comfortable with that first little, delicate - but confident push stroke to break the arris was the crux move for me. I'd invite you to leave the line alone and simply practice getting the feel for how to lift the blade and at the same time push a single, certain zip on to the corner, guiding with your left hand finger/thumb tip. Brushing a few teeth over exactly the right spot gets everything started in the right place. Then look at it, like it and expand upon it by extending that little broken corner across the board, neat and tight to the line.
Touch and go. The saw is moving before it touches the wood and it is off the wood before you even know it. All that is left is a tiny notch in just the right place. Touch and go.