In this week's mini-episode, we're discussing frames! You probably know what a frame is, but I'm guessing you haven't walked through the concept as in-depth as we'll do here today! Let's talk about how we define a "frame," when we want to use frames, what makes frames useful, and when frames become a liability. This is the first in a six-part series of mini-episodes we're doing on the core mechanics of Jiu-Jitsu: frames, levers, wedges, clamps, hooks, and posts. Further stud...