![BJJ Self Defense Portland](https://mbx6c7.p3cdn1.secureserver.net/wp-content/uploads/2015/02/cap5edited-125x125.jpg)
Spine cranks are highly illegal in many competition matches, and should NEVER be attempted unless the goal is to severely injure, paralyze, or kill an enemy. Even under trained supervision, these locks are incredibly dangerous. Once again, DO NOT ATTEMPT AT HOME! That being said, let us start to break down the two basic types… Read more »