Unconventional Chess Training Methods?

What's the weirdest or most unusual way you've ever learned how to be good at chess?

Use a random number generator to help select candidate moves.

Electrical shocks to various parts of the body on making poor moves.

shame-training worked a bit once.

After botching a King-and-pawn endgame in a long exhaustive OTB tournament because I was  too lazy to calculate, I was so mad at myself that I printed that position out and stuck it on the bathroom mirror and on my desk at my place of work with the words "don't be lazy".

Of course these days, I'm still lazy :)  ... but seeing that everyday (had it up for a whole month) reminded me to work things out better on the board instead of hand-waving for the rest of my tourney games when I still played in them a few years back.