The addition of the .mp4 extension indicates that the media has been digitized into the format. This is the industry standard for a reason:
SHKD-820 is a production code assigned to a specific film release. In this naming system, the prefix (SHKD) typically identifies the studio or production label, while the numerical suffix (820) denotes the specific entry in their chronological catalog. SHKD-820.mp4
Plays on almost any device, from smartphones to smart TVs. The addition of the
For fans of specialized cinema, these codes are more than just labels. They allow for: SHKD-820.mp4
Helping viewers find other works by the same director or lead performers.