How can Joe Blow hit pads like Mayweather?

If you haven't seen the incredible hands of Floyd Mayweather Jr, while training on focus mitts with his uncle, its a must see.

It's a style second to none, cultivating great defense, reaction time, speed, coordination, accuracy and agility.

However, I was taught by an expert not to move the pads while holding them for a fighter.
Then why do all the Mayweather trainers do it?

Check it out

So naturally, like a scientist,
I said, "let'see what happens"

tried it, with some students of mine, and the results were

both refreshing and exciting. Here, take a look at one of them.