Bump and Shave with a Miter Saw
When you need to trim just a smidgen off a board or molding, try this: Lower the blade of your miter saw and press the end of the workpiece against it. Then raise the blade, pull the trigger and cut. Depending on how hard you pushed against the blade, you'll shave off from 1/16 to 1/32 in. Once you get the feel of it, you'll be able to adjust the pressure and the width of the shave.