What are the black bandage looking things around the divers wrists?

Question

What are the black bandage looking things around the divers wrists?

Answer 1

The "bandages" are used to protect the diver's wrists from sprains. They enter the water with their hands flat (90 degrees to their forearms) so that their hands push the water out of the way to make a smaller splash.

Answer 2

what you have seen them use is a wrist guard. it supports the wrist from the impact of the water. they are very common for tower divers because the amount of force that they hit the water with is very hard on the body, and since they do this repeatedly their wrists need all the support they can get to protect them from any kind of stress injury.