It can be a recipe for disaster saying 'this is how to do so & so to a sub'

Everyone is different, as is every situation- however minute the difference may be.

I find patience is often lacking in new subs. It seems to work just asking them to stop & wait- the worst thing you can do is let them rush you.

To me, the essence of D/s is KISS (keep it simple stupid) if she does something wrong I just point it out & address it in some way. Not the same way every time either- why be predictable?

Edit: actually Mysterious Fun says it quite well- that's similar to one of my tecniques.