Nikon Z 8 Reference Manual page 868

D
The HDMI/USB Cable Clip
To prevent accidental disconnection, attach the supplied clip to HDMI or USB cables as shown (note
that the clip may not fit all cables).
The illustrations show the USB cable. Pass HDMI cables through the other channel.
Keep the monitor in the storage position when using the cable clip.
USB cable
868
HDMI cable and USB cable used
simultaneously
Other Compatible Accessories