This may have been your first video, but I never would have known. Very well done. [Among many other things, the absence of 'um's, 'ah's, and 'you know's was impressive.] And, by the time I watched it (a few minutes ago), the volume was just fine.
FYI: To embed a video in an ECF post, use the video icon above the post window (and paste in the YouTube URL). For example:
Although I respect David's engineering, the device itself is not for me. In addition to its Rube Goldberg appearance, it doesn't fit on an 801 atty.
[BTW, what does Oba-Oba taste like? The Vapor Bomb website doesn't say much: "Has a unique flavor all its own."

]
Great job, HzG8rGrl!