One thing that can help prevent the shark from attacking you is to keep eye contact with it. While that sounds like a terrifying possibility, you don't want the shark to think you're prey ...
That is the number one goal, and create distance if you can, but as a last resort, you go for the gills, you go for the eyes. You literally want to shove your thumbs into the shark's eyes.
Even the corneas of shark eyes have reportedly been used for human transplants in Yemen, and shark cartilage is marketed as a panacea for various ailments. These are just some of the surprising ...