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Use a paper clip or push needle to remove the strap to change the length. Before removing the strap, be sure to confirm the size of your wrist and the length of the corresponding strap. After removing the strap, pinch the entire strap to find the size that best suits its wrist, and make sure to remove several strap sections to avoid removing more or less. When removing the strap section and needing to fix it, be sure to secure the bracelet and then push the needle out of the bracelet with a needle.