Moutning a CephFS share using ceph-fuse

I always forget how to mount the subfolder of a CephFS filesystem

sudo ceph-fuse -m 192.168.2.9:6789 -r /subfolder /folder/on/my/machine

Note: The proceeding / after the -r is important

Some great info here on restricting access to specific folders and more notes on mounting - https://manjusri.ucsc.edu/2017/09/25/ceph-fuse/