I don't know if the technology works the same way, but a friend here dropped a hard-drive on which he had stored an entire shoot in Morocco. He spent a fortune with it in different companies and ended up with nothing at all. Fortunately, it was all street stuff and no models, but the disappointment, doubled, depressed him all of last year.
Sometimes best cutting one's losses.
You could drop your cassettes from waist level as often as you liked; it was difficult enough to open them with a proper tool... ;-)
Rob C