The key is that the training time should not be too long, otherwise you will lose the "water sense".
Once you go back to the water naked, the unaccustomed adaptation is very tiring.
So the best way is to take off your equipment and go back to the water after training.
Correct the abnormality caused by the existence of equipment,
As long as targeted training and swimming can interact,
Then the flippers help you draw water, not to mention the effect of exercising your feet.
As long as you don't rely too much, auxiliary equipment definitely has its value.