Using these hair clips is super easy. Just pick up a section of your hair and clip the rhinestone drop hair clip firmly onto it. You can use them for various hairstyles, like a half - updo or to adorn a ponytail. As for precautions, remember that this product contains chemicals like lead and cadmium, so avoid contact with your mouth and eyes. When it comes to maintenance, gently wipe the clips with a soft, dry cloth to keep them shiny. Store them in a jewelry box or a small pouch to prevent scratches and keep them in good condition.