It could be a video demonstrating a "Lucky Pen" (often a Japanese or specialized fountain pen) by a creator named Kait.
If it asks for permissions to play, close it. Kait Lucky Pen mp4
A 2-minute MP4 should be roughly 20MB–100MB. If it is tiny (KB) or massive (GB) without reason, it may be corrupted or malicious. It could be a video demonstrating a "Lucky
If you found this file on a suspicious site or received it from an unknown sender: Kait Lucky Pen mp4
Use the built-in "Photos" app (Windows) or "iMovie" (Mac) to cut specific sections. 🛡️ Safety Warning