Nikon Z9 Mirrorless Camera - Manual (Page 847)

847 Compatible Accessories
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 HDMI cable and USB cable
used simultaneously