HDMI cable lock. Stops loose HDMI cables, signal dropouts and damaged HDMI inputs.
Tripp Lite HDMI Cable Lock Clamp Tie Screw for HDTVs Blu-Ray Installations - cable security lock
PureLink ULS1000-050 HDMI 2.0 4K Cable with Ultra Lock System - 16' - Conference Room AV
Amazon.com: I3C Laptop Cable Lock Hardware Security Cable Lock Anti Theft Combination Lock for iPad Tablet Laptop MacBook Dell HP Lenovo Kindle Surface Samsung Android and All Other Notebooks and Tablets :
HDMI Cable Lock (Clamp/Tie/Screw) | Eaton
HDMI Adapter Ring Selector - Liberty AV Solutions
Locking 4K UHD HDMI High Speed Cable, High Speed with Ethernet, 1.5ft