That is negligent. Teach only when you know the rules of the activity. . Yes coach, you are a teacher. You are supposed to know all the rules, especially as they pertain to safety. Continue to improve your knowledge by study, degree work and clinics.
Teaching is progression.
It is step one to step two, to review and combine step one and two with step three. Break down the components. Analyze the components. Practice the parts of the skill. Walk through the skill.