Re shoes:
People in CA know this:
https://m.footfiles.com/news-and-trends/article/ever-seen-shoes-on-power-lines-heres-what-it-means
The Media has a big responsibility to life and safety in our Country. Fake News has contributed greatly to the anger and rage that has built up over many years. News coverage has got to start being fair, balanced and unbiased, or these terrible problems will only get worse!— Donald J. Trump (@realDonaldTrump) August 5, 2019
In other words, the shoes are being shown by the media as a signal to the evil ones that they are fighting back, that the territory is being reclaimed, and that they honor those who martyr themselves for the cause.
Anyone who works with gangs knows the symbol.
https://m.footfiles.com/news-and-trends/article/ever-seen-shoes-on-power-lines-heres-what-it-means
And I thought it was just when you got new shoes you threw your old ones over the line.