PRO SIGNAL - HDMI Male to Male Lead with Locking Screws, 2m Black | eBay
HDMI® Cable Lock | Wraps and Ties | Cable Management | Power Charging and Cable Management
Tripp Lite 6ft High Speed HDMI Cable with Ethernet and Locking Connector Ultra HD 4K x 2K M/M 6' HDMI with Ethernet cable 6 ft P569-006-LOCK - Corporate Armor
Locking HDMI cables! by Adam Wilt - ProVideo Coalition