Trapillo yarn is the next cool thing, trust me, I know (also, it's all over Pinterest...). It's super comfortable and bulky, you can make everything from housewares, to baby clothes to cool hats out of it. And the best part about trapillo yarn? You can repurpose old t-shirts and leggings to make your own! I've been on a big house purge lately. Maybe it's Spring in the air, (or maybe it's the fact that I've been making stuff all winter and not really been cleaning up after myself..) but I…