They threw her into the Atlantic in the middle of the night. The next morning

Marcos maneuvered the boat carefully. When he bent down to lift her, he discovered that he physically couldn’t release the wood—her jaw muscles had completely locked. Instead of forcing it and risking breaking her jaw, he used a saw to cut the board and pulled her aboard with the piece of wood still lodged between her teeth.

The Labrador barely reacted. She simply continued biting.