Studies show that once the skill has been learned, that the speed of execution of the skill, can be better enhanced by random release of the food. (sitmeanssit.com)
The art of making the double play has increased tremendously in technique and in speed of execution. (si.com)
The attacks also differ in term of execution with some offering certain status effects while others ending up with an area - of - effect attack that hits multiple enemies. (gearnuke.com)