A smart solution for dogs that can not jump into water

A movie of a dog that wants to take a ball that fell into the pool. I am aware of wisdom, not courage, whether I do not dislike water or jump into muddy water.

Details are as below.
I use the thing on the spot to successfully get the ball.
YouTube - The Smartest Dog in the World


Bonus

Dogs playing balls elegantly at the pool. This dog seems to be unable to row a boat.
YouTube - Dogs Love Water - Funny Pet Tricks