Advanced Equalization Techniques for Spearfishing

Advanced Equalization Techniques for Spearfishing specialty is designed for Spearfishing Level 3 *** / Master Spearo certified underwater hunters who are interested in developing middle ear pressure equalization techniques in order to dive more comfortably and quietly. It is also focused on improving the speed and efficiency of a series of equalization maneuvers, which is very important in the application of the technique of variable weights.