Do you ever practice safety and rescue procedures during your training sessions? If you are a relatively new freediver you should really do that. It is a fact that sooner or later you will be in the situation of having to rescue someone, even though most likely it will just be a lmc or a small black out. Being prepared to do a proper rescue will make all the difference for both your buddies and yourself. Your buddies will really appreciate diving with someone who take safety seriously and who kn