All Five Finger should be firmly placed on the table and the finger should be pulled inward so the knuckle chucked out and the arch should be in the thumb and index finger.
Cueing should be to run the cue on the arch of the bridge in a rhythmic forward & backward movement.
Stance vary from person to person and should be as per players own need but in basics, (for a right-handed player) left knee jutting out, the right foot in a general direction of the shot, and the right knee flexed backward thereby maintaining overweight on both legs and left arm straight at, but can be awkward due to intervening balls.
I prefer a firm, which is more helpful in snooker, and in snooker, it should have a backward draw and a short follow thereafter is more effective and practical for accuracy and control.
Contrary to the public indignation a general impression is that Billiards & Snooker is only meant for old-timers to pass time and this game is not required physical fitness. This game definitely requires outstanding physical fitness reason being unless you are fit, you can’t play two or three matches in a day as required by the championship.
Should a person's mind be properly functional then he loses proving that it is because you are not physically fit.
These Green Baize games are basically because of mental strength and it's only a fit body can have a fit mind for sure grueling hours of playing with the un-natural bending of the body and also the strain on the limbs, arms & legs for hours together.
This also improves concentration levels and as a result of which a player can also apply his mind towards academic excellence.