It is twisting because of the way the thread is wound on the ball. If the ball doesn't move when you pull the thread, the thread will always twist as it comes off. The easiest way to stop the twisting is to put the ball over a spindle or on something that spins. Then, the entire ball turns when you pull the thread. You don't have to buy a special holder (although they are sold). A paper towel holder, a lazy susan, or a piece of string run through the center of the ball and tied to something will all work. One other option is to lay the ball on its side in a shoebox and let it roll around as you work. However, this can affect your tension (because sometimes the ball will move more easily than others) or your speed and rhythm (because you will have to stop and pull some off, crochet that, and then stop again to pull off some more). Also if you have cats, the noise will attract them and tempt them to play with your thread.