To use these sandals, simply adjust the three straps to your desired tightness for a secure fit. When putting them on, slide your foot in gently. As for maintenance, keep them away from excessive moisture and direct sunlight. You can clean them with a soft, damp cloth and a mild leather cleaner. Don't forget to store them in a cool, dry place when not in use. And if you notice any loose stitching or damage, it's best to get them repaired right away.