Who works the MITTS better (videos inside)?

[Jim Jeffries]

I don't understand that kind of use with the mitts. I've never seen anyone in Europe using mitts that way.
No chin is going down and forward to meet your hand, no punch is ever that weak and lazy.
It is incorrect technique and doesn't promote correct punching nor accurate timing and distance.

I can't see the relation to actual fighting.

C'mon, you didn't see the miraculous results after Hatton started working the mitts like that?