Focus lighting instruments by hand. Choose templates and gels. With the soaring popularity of moving LED units, the only thing that tomorrow’s stagehands will need to know how to do is tighten the C-clamps and hook up the DMX cables
But on a slightly more general note: basic navigation.
No, but that sort of thing is becoming a lost art. How many kids today spend much time hunting, fishing, or camping anymore? And the ones that do will go in RVs the size of a Greyhound bus, with electricity, internet, microwaves, and satellite TV.
Don’t forget the lost art of adding aluminum foil and adjusting it just right. Or even better standing there “just right” holding the ears with your hand, making yourself a human antenna so your dad can see the important football game with a minimum of snow
Especially cursive, as I believe we’ve discussed on the Dope before. I learned it only because my elementary school teachers insisted on teaching it, and the only times I’ve ever used it were on the SAT and LSAT, when I had to copy some absurd phrase out in cursive indicating I understood the ethics rules. Oh, and my signature, of course - though that’s so far from legible it shouldn’t really count.
Using a crayon to allow you to record over a commercial cassette tape. There was a hole near the top corner of the tape and you could smash a crayon into it (to fill it w/ the wax) and you’d then be able to record over that Slippery When Wet tape that seemed like a good purchase at the time (and make no mistake, it *was *a good purchase.)