Use this HDMI Lock System from 8Sinn to protect and lock the HDMI in and out cables on the side of the 5" Atomos Ninja V recording monitor. Made of lightweight CNC-machined aluminum, the system consists of a mounting bracket with an attached cable clamp. The bracket connects to the Ninja V with two screws. The cable clamp has movable parts that adjust to fit your HDMI plugs' size. An Allen key and a pack of screws are included in the package.