Could you communicate with sharks through hypnoses?

Overview

"Acclaimed Cape Town filmmakers the Foster Brothers, in their groundbreaking documentary Sharkman, have something important to tell us about sharks. But the question is: will you be listening? You might be too busy watching in amazement as a four metre White Shark – weighing 1½ tons – cruises the big blue with a diver clutching her dorsal fin. Every spare synapse will be used up as the same diver gently wrestles a Tiger shark into catatonia, its oven-wide head and tooth-riddled jaw inches from his face. You will be too busy gawping as Caribbean Reef and Black Tip sharks cuddle in the lap of Gansbaai free diver Mike Rutzen, also known as South Africa's "shark whisperer"..." (excerpt from a press article by Steve Pike, about the film commissioned by Animal Planet and Discovery Channel to, acclaimed Cape Town filmmakers, the Foster Brothers).