The Elevation Training Mask 2.0 uses a number of valves and plastic caps to control the amount of air coming into your body, with tougher settings for advances users, and easier settings for beginners.onfusing: The Elevation Training Mask 2.0 comes with a user manual and a DVD with all the information on how it works. However, the mask can still be a bit confusing to use. Changing the settings from an easier level to harder one (and vice-versa) isn’t as easy as just switching over a cap.