"Loosen up! Loosen up! Loosen up!" I sound like a broken record sometimes. And while I've given you pointers in my acrylic painting tutorial videos about how to work looser, I've never given you any exercises you can use to train yourself to be looser, have I? Well, now I have. Read on, folks! First, let's talk about how we train ourselves to do something. ANYTHING! Not just painting. Let's say you want to build strength in your muscles. You want to be able to easily carry ar