Fee: £ 14.00 per 28 days
Please find the manufacturers instructions here:
https://drive.google.com/file/d/1zCtZlZv-C_Fm8L604-ASDM8zS7dDvUgy/view?usp=sharing
You may also find this helpful for troubleshooting your carrier:
https://www.carryingmatters.co.uk/troubleshooting-your-buckle-carrier/