Hi guys, I am working on my head movement and I want to ask you what was Cus D'Amato's slipping technique. From what I saw when I look on Mike Tyson, he is actually bending his body to the side in his waist. It's not that traditional shoulder and waist rotation, what most of boxing trainers teaches. At least from what I saw. Is that true? Or I am just missing something and there is more in it? When I try to slip like Cus teached, then it's actually much faster than slipping the traditional way, but I have often sore lower back and hips muscles and it's just kind of tough to slip right now. Is it normal? Will it dissapear in time? Thank you guys.