Everyone needs these directions, they need to be clear and followable to the letter with ease. It doesn't matter how competent you are, if your blowing the whi

Everyone needs these directions, they need to be clear and followable to the letter with ease. It doesn't matter how competent you are, if your blowing the whistle then you not want the slightest chance of making a mistake - got to be a high stress situation, someone holding your hand through a critical portion makes sense to me.