The determination and professionalism behind this Andrea's drive to help us understand the mystery and mastery behind equalisation, from frenzel, to hands-free and mouthfill, only grows stronger.
Read MoreQuiz: what is your biggest training issue?
To really improve your performance, first isolate the problem, ie is it technical, physical, or is it mental. 80-90 percent of divers are struggling with MENTAL issues, which manifest in PHYSICAL discomfort or problems
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