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How to Communicate with Hand Signals: Verbal interaction isn't always possible during a wake session. An understanding of visual cues can make all the difference.
The article discusses the use of hand signals to communicate during watersports. The first hand signal recreational boarders and skiers need to learn pertains to speed, and then the hand signal related to stopping and going back to the dock. Meanwhile, advance hand signals are used in a direct coach-to-student situation which include a lot of body demonstration.