How to bob like nicolino locche

[Scrap]

Scrap is that part of his defense is switching from orthodox to southpaw? Hagler used to switch up when coming in and was known to be one of the greatest for head movement right up there with Mike Tyson.

Yes.

Francisco palacios switched stances and is known as a great defensive technician. Scrap is switching better than head movement?

It is Head movement