Using this Makita brush cutter blade is straightforward. First, make sure your Makita brush cutter or string trimmer is turned off and unplugged (if it's electric). Then, carefully attach the blade to the tool according to the manufacturer's instructions. When using it, start with a slow speed in thinner areas and gradually increase as needed. For thick grasses and shrubs, move the blade steadily through the vegetation. As for maintenance, after each use, clean the blade with a brush to remove any debris. If it gets dull, you can sharpen it with a proper sharpening tool. Always wear safety goggles and gloves when using the blade. Store it in a dry place to prevent rust. Also, regularly check the blade for any signs of damage and replace it if necessary.