You move your own hands in your favor. Whether to CREATE or also to DESTROY. But things change if you are a creature made by HANDS, since you don't need to know exactly what you want to do. You just do it, without being tied to strings holding you back. You have all the freedom in the world to commit any kind of madness you want. That is, if you're a being composed of several hands, like this creature here:

(Original Image HERE)