Using your Makita trimmer shoulder strap is a breeze. First, find a comfortable position on your shoulder. Then, adjust the strap according to your body size and the weight of your trimmer or brush cutter. This will help distribute the weight evenly and make your cutting job easier. When installing, just attach the strap to your Makita machine following the simple instructions. Make sure it's securely fastened. As for maintenance, keep the strap clean. You can wipe it down with a damp cloth if it gets dirty. Also, store it in a dry place when not in use to prevent damage. Be careful not to over - stretch the strap, as this may affect its performance. With proper use and care, your Makita trimmer shoulder strap will serve you well for a long time.