Surfers are sticking large eyes on the bottom of their surfboards to deter sharks from attacking them, as more and more sharks are sighted off the coast of the US.
The technique is one of several, listed by the Wall Street Journal, being used by surfers to stay safe from attacks, which are still extremely rare but can be fatal.
Great whites are ambush predators, and researchers believe that they are less likely to attack if they believe they have been seen — hence the eyes.
Image: Two "Shark Eyes" stickers on the underside of a surfboard. The manufacturer says it makes the shark think it has lost the element of surprise. Shark Eyes/Vimeo
