Students are always told never to ask their instructor for new skills. Having said that though, occasionally a new student, still getting to grips with etiquette, will utter the “unspeakable”!
So why are students told not to ask?
Physically, the difference between an expert and a normal student???…Speed and accuracy. These can only be developed from long time practice and constant repetition.
Remember to be an expert does not involve learning millions of techniques – it's about how you perform the techniques you already have.