Using these HQ Ultralight Whoop Propellers is easy. Just attach them to your device following the standard procedure for propeller installation. Make sure to match the CW and CCW propellers correctly. When in use, avoid flying in areas with a lot of obstacles to prevent damage. For maintenance, regularly check the propellers for any signs of wear or damage. If you notice any cracks or chips, it's best to replace them. Keep them clean by gently wiping them with a soft cloth. Store them in a safe place away from sharp objects to avoid scratches.