Musihacks--------
Isolate 3–4 problem notes. Loop them 7 times perfectly. Then expand backward and forward. Don't practice the whole piece until the crack is gone.
Play the hard passage at 40% tempo. Perfect it there. Speed is a byproduct of accuracy, not the goal. Musihacks--------
You don't need more hours in the day. You need better micro-habits . Isolate 3–4 problem notes