The direct answer
Use Chill to learn sections and camera control. Use Hard once you can repeat the route and want the full risk.
Practice sequence
- 1Identify your goal
- 2Use Chill for repetition
- 3Switch to Hard for full runs
- 4Keep the same route notes
Use a tool
Open Rotation Trial for movement drills, or the Input Visualizer when timing and key overlap are the main problem.