At five in the morning, the fishermen are already setting the nets. It's time to take the plunge. It may seem a little strange why we're putting fishing net on our scuba gear, but it has a very useful purpose. These jagged edges of the gear are completely covered with this fishing net to prevent us from getting snagged and caught like fish. I don't normally wear a knife this big, but in this kind of situation, with all the nets around and the possibility of entanglement, it's a really good idea. This is a shark shield, and with a tuna-fishing boat, thousands of bloody tuna in the water, and a sea full of sharks, it could come in very handy. They enter the net. Despite having done all they can to prepare, this is a jump into the unknown.