Humphrey Wittingtonsworth IV | Advanced ZZ-CT Tricks @HumphreyWittingtonsworthIV | Uploaded October 2016 | Updated October 2024, 7 hours ago.
If you learn ZZ-C cases, and then learn the corner permutation, you can influence TTLL/PLL as well as just solving EVERYTHING at once eventually.

It's all about seeing blocks and making predictions, and after a while, you'll get better at predicting.