Fee: £ 12.50 for 28 days
Please find the manufacturers instructions here:
https://drive.google.com/file/d/1O4hqegrM_oP0psa16C8HxBjMZMNiQSMx/view?usp=sharing
You may also find this helpful for troubleshooting your carrier:
https://www.carryingmatters.co.uk/troubleshooting-your-buckle-carrier/