I like the title of this article as well as the ideas in it. I have never dropped a rappel device, so bully for me. But I have been in 3 different groups where one member of the party has dropped his device. (One time, it was 2AM, during a blizzard when the avalanches where happening all around us. And we had to descend about 600 feet.)
So it’s probably worth practicing some of the techniques mentioned in this article. Or, heck, just bring 2 devices with you. ‘Cause if you don’t drop one, someone else will.