Cue ball physics (pull & push zones, critical line and sweet spot).
It is important to understand how the cue ball reacts when intentional and unintentional sidespin is applied.
With this knowledge players can correct their faults with accuracy and increase their shot repetoire leading to increased pot percentage, better break building and more precise safety play.
Cue specification performance characteristics (cue ball deflection degree).
All players have an ideal cue specification. This is important because the cue ball should travel in the direction intended.
Cloth nap characteristics.
Understand the difference between playing shots with or against the nap.
This difference in cue ball direction catches many players out.
