Hi Bonnie,
Thanks for your feedback.
We are so sorry about the unexpected problem. Hope you could sew the ear straps, and it can be used normally.
We would like to give you a discount code to save 30% OFF on your next orders as our sincere apologies for the inconvenience caused. Please apply the code: "BATENSAVE301". This code is only for you.
Hope you understand and could accept it.
Kind regards,
Customer Service Team.